[Dev] Reduce config file clutter (#290)

* Added local tooling config files to the tooling/ directory

* Moved as many docker-related files as possible

* Updated dockerfile path

* Updated the correct dockerfile instead how about

* Off day - jeez louise

* Juggled around some more dockerfiles

* more dockerfile

* More docker tests

* it's docker time

* One more shot

.github/workflows/docker_release.yml

@@ -75,7 +75,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          file: ./selfhosted.Dockerfile
+          file: ./docker/selfhosted.Dockerfile
           # If the event is a release, use the release_arch, otherwise use the
           # platforms input if present, falling back to dev_arch
           platforms: ${{ github.event_name == 'release' && env.release_arch || (github.event.inputs.platforms || env.dev_arch) }}