A separate endpoint for all the choice lists to show values

[szabozoltan69]

In the current /docs API documentation system there is no way to display "textual enum values" instead their numeric representation.
Others struggled on it a lot but is not solvable quickly.

Instead of this, we can use help_text for these "choice" fields and create an API endpoint to show them all.

So, the first step is to create the API endpoint with the value-label pairs. It is usable for other purposes also. Maybe something similar to /api/v2/disaster_type , but using multiple choice lists.

@batpad @thenav56 @tovari

[szabozoltan69]

https://dsgocdnapi.azureedge.net/api/v2/erutype is ready for test, but some other endpoints are also needed.
To be decided if we continue this way or somehow else.

[szabozoltan69]

Recent endpoint list, which can be seen from /docs also:
https://dsgocdnapi.azureedge.net/api/v2/erutype
https://dsgocdnapi.azureedge.net/api/v2/recentaffected
https://dsgocdnapi.azureedge.net/api/v2/fieldreportstatus
https://dsgocdnapi.azureedge.net/api/v2/programmetype
https://dsgocdnapi.azureedge.net/api/v2/primarysector
https://dsgocdnapi.azureedge.net/api/v2/operationtype
https://dsgocdnapi.azureedge.net/api/v2/projectstatus

[szabozoltan69]

Solved via global-enums