* Add support for Feedz NuGet feeds
* Fix tests & error messages that are used
* Cleanup service and change route according to the conventions
* Change route nomenclature
* Extract `searchServiceUrl`, `stripBuildMetadata` and `selectVersion` to NuGet helpers
* Fix Feedz examples
* Fixup the pattern in Feedz examples
Missed save...
* Use MongoDB.Driver.Core in Feedz examples
* Use standard route pattern instead of `RouteBuilder`
* Extract `transform` function in feedz service
* Add simple test for the `apiUrl` function
* Distinguish repository/package errors
Co-authored-by: repo-ranger[bot] <39074581+repo-ranger[bot]@users.noreply.github.com>