Create .editorconfig

.editorconfig

@@ -0,0 +1,20 @@
+# editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+tab_width = 4
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.txt]
+trim_trailing_whitespace = false
+
+[*.{md,json,yml}]
+trim_trailing_whitespace = false
+indent_style = space
+indent_size = 2