* Adding enum values for Enum Type in Swagger ReadOnly documentation
* Adding enum values for Enum Type in Swagger ReadOnly documentation (optimisation) and also adding default/example value
* Add new display enums, defaults, and examples when not in TIO mode (another way to have enums values in swagger.json)
* Fix npm test result
* review corrections
* fix: don't render parameter description if field is empty
* use cross-version schema variable to access properties
* pass className through Markdown component usage
* add per-field classNames to Markdown for easier styling + testing
* remove parameter Example field (out-of-scope for this PR)
* get default value from schema instead of top-level parameter
* tests: add e2e cases for swagger2 and oas3
* remove `swagger-petstore-enum.json`
the purpose of this file lives on in the e2e test specs folder
* add missing proptypes validation
* use `classnames` to more effectively union class names