Create rule "module-folder-structure"

[sergioflores-j]

This PR adds the rule module-folder-structure to the project. Solves #2.

Also, a small refactor in src/rules/registry.ts was made.

TODOs:

• [X] - Create rule boilerplate
• [X] Register rule
• [X] Create test cases
• [X] Implement basic patterns check
• [X] Implement strict mode
• [x] Implement glob patterns check
• [X] Create example docs - readme
• [x] Create docs - docExampleConfigs

[flaviostutz]

@sergioflores-j please fix the conflicts and the pipeline run results so we can review this one next :)

[sergioflores-j]

@flaviostutz PR should be ready now!

Can you review it?