Xamarin netstandard

Removes two more warnings.

Note that this will ultimately be eliminated when moving to using
OIDCClient.

Set triggers for npm operation at SPA app in the csproj instead of dockerfile

configuration to ocelot passed through a k8s volume

Error in VSTS:
3 error(s), 1 warning(s)
Phase 1 - 3 error(s), 1 warning(s)
Version in "/opt/vsts/work/1/s/docker-compose.yml" is unsupported. You might be seeing this error because you're using the wrong Compose file version. Either specify a supported version (e.g "2.2" or "3.3") and place your service definitions under the `services` key, or omit the `version` key and place your service definitions at the root of the file to use version 1.
For more on the Compose file format versions, see https://docs.docker.com/compose/compose-file/
/usr/local/bin/docker-compose failed with return code: 1

No need to build the .NET bits when using Docker Multi-Stage build, as we use now.

Optimize multistage build

Optimize multi-stage build Dockerfile

Remove explicitly copied dependencies, copy entire solution
into the conainter and depends on the cache to reduce build
time.

Addd temporary solution file which does not contains the
dcproj file to work around the issue that the dotnet cli
cannot handle dcproj.

Tested on Android app deployment to device and UWP on local Windows