* Adding health check controllers - getAll & getGroupByName
* Adding HealthCheckGroup mapper
* Adding viewModels
* Adding a factory for building a health check group with result view model
* Registering the mapper and factory
* Updating OpenApi.json
* Remove unnecessary checks - we instantiate the target before calling the Map()
* Adding ProducesResponseType for GetAll()
* Fixing usings
* Making checks required for a health check group
* Adding OK() around result to be explicit
* Adding default values to skip and take
* Adding Umbraco.Code comments
* Removing ? from HealthCheckGroupWithResultViewModel return type
* Move the grouping creation to the factory
* Adding Actions[] for each health check + mapping
* Defaulting ValueRequired to false
* Refactoring routes - from health-check to health-check-group
* Move to HealthCheckGroup folder
* Fix OpenApi.json
* Changing class name and making Key of HealthCheckActionViewModel non-nullable
* Fixing namespace
* Migrating ExecuteAction endpoint
* Add execute-action endpoint to OpenApi.json
* Use Task.FromResult() around the action result
* Fixing namespaces and swagger group name
* Fixing naming of the key in the health check action
* Fix tag names in OpenApi.json
* Add status endpoint
* Refactor GetStatus to use a factory for the viewmodel
* Move controllers to correct namespace
* Add response type to GetStatus
* Create query endpoint
* Create GetAll endpoint
* Add by key
* Add delete by key
* Rename enabled controller
* Add SetEnabled endpoint
* Update OpenApi.json
* Replace query endpoint with a optional filter parameter
* Use enum to enabled and disable url tracking
* Update OpenApi.json
* Add bad request response type to GetAll endpoint
* Created a common library for the APIs and moved stuff that is required for the new content API. Also moved the versioned backoffice API route handling to the management API where it belongs.
* Remove test auth attribute from Media
