feat: enable decorators logic

[andriyl]

What/Why/How?

Closes #495

Next steps:

• add tests
• decide about subparameter format
• decide about enabling rules

Check yourself

• [x] Code is linted
• [ ] Tested with redoc/reference-docs/workflows
• [ ] All new/updated code is covered with tests

Security

• [x] Security impact of change has been considered
• [x] Code follows company security practices and guidelines