bugfix/rules-to-chapter-folders(#719)

### What's done:
  * Rules are now split to chapters

diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/DiktatRuleSetProvider.kt

@@ -7,6 +7,12 @@ import org.cqfn.diktat.ruleset.constants.Warnings
 import org.cqfn.diktat.ruleset.rules.chapter1.FileNaming
 import org.cqfn.diktat.ruleset.rules.chapter1.IdentifierNaming
 import org.cqfn.diktat.ruleset.rules.chapter1.PackageNaming
+import org.cqfn.diktat.ruleset.rules.chapter2.comments.CommentsRule
+import org.cqfn.diktat.ruleset.rules.chapter2.comments.HeaderCommentRule
+import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.CommentsFormatting
+import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocComments
+import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocFormatting
+import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocMethods
 import org.cqfn.diktat.ruleset.rules.chapter3.AnnotationNewLineRule
 import org.cqfn.diktat.ruleset.rules.chapter3.BlockStructureBraces
 import org.cqfn.diktat.ruleset.rules.chapter3.BracesInConditionalsAndLoopsRule
@@ -23,11 +29,19 @@ import org.cqfn.diktat.ruleset.rules.chapter3.SortRule
 import org.cqfn.diktat.ruleset.rules.chapter3.StringConcatenationRule
 import org.cqfn.diktat.ruleset.rules.chapter3.StringTemplateFormatRule
 import org.cqfn.diktat.ruleset.rules.chapter3.WhenMustHaveElseRule
+import org.cqfn.diktat.ruleset.rules.chapter3.files.BlankLinesRule
+import org.cqfn.diktat.ruleset.rules.chapter3.files.FileSize
+import org.cqfn.diktat.ruleset.rules.chapter3.files.FileStructureRule
+import org.cqfn.diktat.ruleset.rules.chapter3.files.IndentationRule
+import org.cqfn.diktat.ruleset.rules.chapter3.files.NewlinesRule
+import org.cqfn.diktat.ruleset.rules.chapter3.files.WhiteSpaceRule
+import org.cqfn.diktat.ruleset.rules.chapter3.identifiers.LocalVariablesRule
 import org.cqfn.diktat.ruleset.rules.chapter4.ImmutableValNoVarRule
 import org.cqfn.diktat.ruleset.rules.chapter4.NullChecksRule
 import org.cqfn.diktat.ruleset.rules.chapter4.SmartCastRule
 import org.cqfn.diktat.ruleset.rules.chapter4.TypeAliasRule
 import org.cqfn.diktat.ruleset.rules.chapter4.VariableGenericTypeDeclarationRule
+import org.cqfn.diktat.ruleset.rules.chapter4.calculations.AccurateCalculationsRule
 import org.cqfn.diktat.ruleset.rules.chapter5.AsyncAndSyncRule
 import org.cqfn.diktat.ruleset.rules.chapter5.AvoidNestedFunctionsRule
 import org.cqfn.diktat.ruleset.rules.chapter5.CheckInverseMethodRule
@@ -46,26 +60,12 @@ import org.cqfn.diktat.ruleset.rules.chapter6.ImplicitBackingPropertyRule
 import org.cqfn.diktat.ruleset.rules.chapter6.PropertyAccessorFields
 import org.cqfn.diktat.ruleset.rules.chapter6.TrivialPropertyAccessors
 import org.cqfn.diktat.ruleset.rules.chapter6.UselessSupertype
-import org.cqfn.diktat.ruleset.rules.chapter4.calculations.AccurateCalculationsRule
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.AbstractClassesRule
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.CompactInitialization
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.DataClassesRule
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.SingleConstructorRule
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.SingleInitRule
 import org.cqfn.diktat.ruleset.rules.chapter6.classes.StatelessClassesRule
-import org.cqfn.diktat.ruleset.rules.chapter2.comments.CommentsRule
-import org.cqfn.diktat.ruleset.rules.chapter2.comments.HeaderCommentRule
-import org.cqfn.diktat.ruleset.rules.chapter3.files.BlankLinesRule
-import org.cqfn.diktat.ruleset.rules.chapter3.files.FileSize
-import org.cqfn.diktat.ruleset.rules.chapter3.files.FileStructureRule
-import org.cqfn.diktat.ruleset.rules.chapter3.files.IndentationRule
-import org.cqfn.diktat.ruleset.rules.chapter3.files.NewlinesRule
-import org.cqfn.diktat.ruleset.rules.chapter3.files.WhiteSpaceRule
-import org.cqfn.diktat.ruleset.rules.chapter3.identifiers.LocalVariablesRule
-import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.CommentsFormatting
-import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocComments
-import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocFormatting
-import org.cqfn.diktat.ruleset.rules.chapter2.kdoc.KdocMethods
 
 import com.pinterest.ktlint.core.RuleSet
 import com.pinterest.ktlint.core.RuleSetProvider

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter3/AnnotationNewLineRuleWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter3
 
 import org.cqfn.diktat.ruleset.constants.Warnings
-import org.cqfn.diktat.ruleset.rules.chapter3.AnnotationNewLineRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter3.AnnotationNewLineRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter3/BlockStructureBracesWarnTest.kt

@@ -2,8 +2,8 @@ package org.cqfn.diktat.ruleset.chapter3
 
 import org.cqfn.diktat.common.config.rules.RulesConfig
 import org.cqfn.diktat.ruleset.constants.Warnings.BRACES_BLOCK_STRUCTURE_ERROR
-import org.cqfn.diktat.ruleset.rules.chapter3.BlockStructureBraces
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter3.BlockStructureBraces
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter3/BracesRuleWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter3
 
 import org.cqfn.diktat.ruleset.constants.Warnings.NO_BRACES_IN_CONDITIONALS_AND_LOOPS
-import org.cqfn.diktat.ruleset.rules.chapter3.BracesInConditionalsAndLoopsRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter3.BracesInConditionalsAndLoopsRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter3/ClassLikeStructuresOrderRuleWarnTest.kt

@@ -2,8 +2,8 @@ package org.cqfn.diktat.ruleset.chapter3
 
 import org.cqfn.diktat.ruleset.constants.Warnings.BLANK_LINE_BETWEEN_PROPERTIES
 import org.cqfn.diktat.ruleset.constants.Warnings.WRONG_ORDER_IN_CLASS_LIKE_STRUCTURES
-import org.cqfn.diktat.ruleset.rules.chapter3.ClassLikeStructuresOrderRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter3.ClassLikeStructuresOrderRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter3/ConsecutiveSpacesRuleWarnTest.kt

@@ -2,8 +2,8 @@ package org.cqfn.diktat.ruleset.chapter3
 
 import org.cqfn.diktat.common.config.rules.RulesConfig
 import org.cqfn.diktat.ruleset.constants.Warnings.TOO_MANY_CONSECUTIVE_SPACES
-import org.cqfn.diktat.ruleset.rules.chapter3.ConsecutiveSpacesRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter3.ConsecutiveSpacesRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter5/AsyncAndSyncRuleTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter5
 
 import org.cqfn.diktat.ruleset.constants.Warnings.RUN_BLOCKING_INSIDE_ASYNC
-import org.cqfn.diktat.ruleset.rules.chapter5.AsyncAndSyncRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter5.AsyncAndSyncRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter5/AvoidNestedFunctionsWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter5
 
 import org.cqfn.diktat.ruleset.constants.Warnings
-import org.cqfn.diktat.ruleset.rules.chapter5.AvoidNestedFunctionsRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter5.AvoidNestedFunctionsRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter5/CheckInverseMethodRuleWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter5
 
 import org.cqfn.diktat.ruleset.constants.Warnings
-import org.cqfn.diktat.ruleset.rules.chapter5.CheckInverseMethodRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter5.CheckInverseMethodRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter5/CustomLabelsTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter5
 
 import org.cqfn.diktat.ruleset.constants.Warnings.CUSTOM_LABEL
-import org.cqfn.diktat.ruleset.rules.chapter5.CustomLabel
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter5.CustomLabel
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter6/AvoidUtilityClassWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter6
 
 import org.cqfn.diktat.ruleset.constants.Warnings.AVOID_USING_UTILITY_CLASS
-import org.cqfn.diktat.ruleset.rules.chapter6.AvoidUtilityClass
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter6.AvoidUtilityClass
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter6/CustomGetterSetterWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter6
 
 import org.cqfn.diktat.ruleset.constants.Warnings
-import org.cqfn.diktat.ruleset.rules.chapter6.CustomGetterSetterRule
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter6.CustomGetterSetterRule
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError

diktat-rules/src/test/kotlin/org/cqfn/diktat/ruleset/chapter6/EmptyPrimaryConstructorWarnTest.kt

@@ -1,8 +1,8 @@
 package org.cqfn.diktat.ruleset.chapter6
 
 import org.cqfn.diktat.ruleset.constants.Warnings.EMPTY_PRIMARY_CONSTRUCTOR
-import org.cqfn.diktat.ruleset.rules.chapter6.AvoidEmptyPrimaryConstructor
 import org.cqfn.diktat.ruleset.rules.DIKTAT_RULE_SET_ID
+import org.cqfn.diktat.ruleset.rules.chapter6.AvoidEmptyPrimaryConstructor
 import org.cqfn.diktat.util.LintTestBase
 
 import com.pinterest.ktlint.core.LintError