Create validate_catalog.yml

.github/workflows/validate_catalog.yml

@@ -0,0 +1,22 @@
+name: Catalog Validation
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
+    - name: Setup dotnet-script
+      run: dotnet tool install -g dotnet-script
+    - name: Validate Catalog
+      run: dotnet script --no-cache ./src/CatalogValidation.csx -- ./docs/Catalog.xml