Add workflow as well

Author: Cheesebaron

.github/workflows/main.yml

@@ -0,0 +1,39 @@
+name: Main workflow
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  AZURE_FUNCTIONAPP_NAME: PlanetXamarinFeed
+  AZURE_FUNCTIONAPP_PACKAGE_PATH: './output'
+  DOTNET_VERSION: '3.1.x'
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+
+jobs:
+  build-and-deploy:
+    runs-on: windows-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@main
+
+    - name: Setup dotnet ${{ env.DOTNET_VERSION }} Environment
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: 'Build'
+      run: |
+        dotnet build --configuration Release
+
+    - name: '.NET Publish'
+      run: |
+        dotnet publish --configuration Release -o ${{ env.AZURE_FUNCTIONAPP_PACKAGE_PATH }}
+
+    - name: 'Run Azure Functions Action'
+      uses: Azure/functions-action@v1
+      with:
+        app-name: ${{ env.AZURE_FUNCTIONAPP_NAME }}
+        package: '${{ env.AZURE_FUNCTIONAPP_PACKAGE_PATH }}'
+        publish-profile: ${{ secrets.AZURE_FUNCTIONAPP_PUBLISH_PROFILE }}