Build #56 (Dec 16, 2021 3:54:16 PM)

1. Update OAS version to 3.1.0 (detail)
2. Update example keywords for OAS 3.1.0 (detail)
3. removed unnecessary JSON schema example for ProblemDetails data model (detail)
4. convert response status codes to String (detail)
5. Update README.md (detail)

Started by GitLab push by Walter Featherstone

• origin/master