Add the 2.0 branch 2 (#314)

* Add the 2.0 branch

* Remove main branch

* Fix no registry error

Author: wg102

.github/workflows/publish.yml

@@ -32,7 +32,7 @@ jobs:
       run: echo "REGISTRY=${{env.DEV_REGISTRY_NAME}}.azurecr.io" >> "$GITHUB_ENV"
 
     - name: Set ENV variable for pushes to master
-      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      if: github.event_name == 'push' && github.ref == 'refs/heads/jupyter-apis-aaw2.0'
       run: echo "REGISTRY=${{env.REGISTRY_NAME}}.azurecr.io" >> "$GITHUB_ENV"
 
     # Push image to ACR