feat(rome_cli): rome migrate

[ematipico]

Summary

This PR adds a command to Rome CLI called rome migrate.

The command intends to migrate Rome's configuration to a new version when breaking changes occur. As for now there aren't any migrations, so the command will always output the same message.

The migration uses the existing analyzer infrastructure of the crate rome_analyzer. Migrations are just Rules under the category RuleCategories::Action. Using this infrastructure, we can name the migrations, document them and use their version.

I took the opportunity to refactor a bit the internals of the CLI:

• moved diagnostics into a diagnostics.rs file
• moved the code that does stdin operations into a specific file/function => this will become useful for doing linting via stdin
• moved the code to migrate the configuration file into a separate file

Test Plan

For now, I just created few test cases

Changelog

• The PR requires a changelog line

Documentation

• The PR requires documentation
• I will create a new PR to update the documentation

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[ematipico]

I am going ahead and merging this. There are some changes here that I need to add more features. If you have concerns of feedback, please leave a comment and I will address them.