Jack Batzner

Address #434. Ready for review @justinyoo

**Describe the issue** Similar to #430, I have a need to be able to dynamically generate the IOpenApiConfigurationOptions at runtime as opposed to using a concrete class such as [DefaultOpenApiHttpTriggerAuthorization](https://github.com/Azure/azure-functions-openapi-extension/blob/main/src/Microsoft.Azure.WebJobs.Extensions.OpenApi.Core/Configurations/DefaultOpenApiHttpTriggerAuthorization.cs)...

### Issue describing the changes in this PR Update error log when there is no `FUNCTIONS_EXTENSION_VERSION` found

Cannot swap a V4 and V3 function deployed in separate staging slots

21

We are looking to upgrade from V3 to V4 functions and ran into an issue when testing a deployment out. We have a V3 function deployed with staging slots currently....

Enable documentation for classes that extend a list type

1

Should partially fix #313 and #380 for list inheritance cases