add deployment workflow

Author: evshvarov

.github/workflows/build-push-gcr.yaml

@@ -0,0 +1,19 @@
+name: Cloud Run Deploy
+
+on:
+  push:
+    branches:
+    - master
+    - main
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    uses: intersystems-community/demo-deployment/.github/workflows/deployment.yml@master
+    with:
+      # Replace the name: parameter below to have your application deployed at
+      # https://project-name.demo.community.intersystems.com/
+      name: project-name
+    secrets:
+      # Do not forget to add Secret in GitHub Repoository Settings with name SERVICE_ACCOUNT_KEY
+      SERVICE_ACCOUNT_KEY: ${{ secrets.SERVICE_ACCOUNT_KEY }}