Add enum values to springwolf ui

[maxdobler]

When reading the documentation on the springwolf-ui it would be nice to see the possible enum values in the schema. I'm used to see this in the swagger-ui and I think it would be a nice addition to springwolfs ui.

Values are already written in the AsyncApi:

"properties": {
          "audioRouting": {
            "type": "string",
            "enum": [
              "DRIVER",
              "PASSENGER",
              "LISTEN_IN",
              "PASSENGER_AND_EXTERNAL"
            ]
          },
...

Actual springwolf-ui:

Inspiration from swagger-ui:

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[timonback]

Hi @maxdobler
That would be a nice addition.

Current ui includes support for enums, while presentation can always be improved.
Possible starting point: https://github.com/springwolf/springwolf-core/blob/master/springwolf-ui/src/app/components/schema/schema.component.html#L89

Feel free to contribute and open a PR - or anyone else who wants to work on it.