rswag/rswag

## Problem
A clear and concise description of what the problem is.

## Solution
A clear and concise description of what the solution is.

### This concerns this parts of the OpenAPI Specification:
* [EXAMPLE_LINK TO RELEVANT OPEN API SPECS PAGE](https://spec.openapis.org/oas/v3.1.0#data-types)
* [ANOTHER LINK TO RELEVANT OPEN API SPECS PAGE](https://spec.openapis.org/oas/v3.1.0#schema)

### The changes I made are compatible with:
- [ ] OAS2
- [ ] OAS3
- [ ] OAS3.1

### Related Issues
Links to any related issues.

### Checklist
- [ ] Added tests
- [ ] Changelog updated
- [ ] Added documentation to README.md
- [ ] Added example of using the enhancement into [test-app](https://github.com/rswag/rswag/tree/master/test-app)

### Steps to Test or Reproduce
Outline the steps to test or reproduce the PR here.