fix: improve reference docs config options

[AlexVarchuk]

What/Why/How?

improve feature.openapi types for config

Reference

Testing

Screenshots (optional)

Check yourself

• [x] Code is linted
• [x] 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

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟡	Statements	73.15%	3264/4462
🟡	Branches	64.81%	1823/2813
🟡	Functions	65.55%	546/833
🟡	Lines	73.06%	3032/4150

Test suite run success

505 tests passing in 85 suites.

Report generated by 🧪jest coverage report action from db4a676ad710803aa583dcbbcb8efe07c956cff5