feat(misconf): add function of using --file-patterns for terraform misconfiguration

[zdtsw]

Description

Function is missing for Terraform misconfig.
Also update usage for --file-patterns to make it clear, by using this flag is to add extra file which matches patterns, default files are still in use.
Fix missing test cases :

• dockerfile as name 'Containerfile'
• terraform .tf.json

Ref: #2608 (not for fixing)

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• I've added tests that prove my fix is effective or that my feature works.
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[jerbob92]

Would be nice if we can get #2539 merged, which basically includes this functionality too.

[zdtsw]

I will have this one closed and leave the implementation to #2539