Create github-pages.yml

.github/workflows/github-pages.yml

@@ -0,0 +1,20 @@
+name: South Region Reusable Assets
+
+on:
+  push:
+    branches: [ gh-pages ]
+
+jobs:
+  build-deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.7.2 # Not needed with a .ruby-version file
+        bundler-cache: true
+    - run: bundle exec jekyll build
+    - name: Deploy site
+      with:
+        build-dir: _site
+      uses:  MSUSAzureAccelerators/SouthReusableAssets/deploy_jamstack_action@gh-pages