Add GitHub actions

.github/workflows/build.yml

@@ -0,0 +1,56 @@
+name: Build and Deploy
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  DOTNET_VERSION: '8.0.x'
+  CONFIGURATION: Release
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0  # Required for Source Link
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: Restore dependencies
+      run: dotnet restore
+
+    - name: Build
+      run: dotnet build --configuration ${{ env.CONFIGURATION }} --no-restore
+
+    - name: Test
+      run: dotnet test --configuration ${{ env.CONFIGURATION }} --no-build --verbosity normal --filter "TestCategory=AppVeyor"
+
+    - name: Pack NuGet packages
+      run: dotnet pack --configuration ${{ env.CONFIGURATION }} --no-build --output ./artifacts
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: nuget-packages
+        path: ./artifacts/*.nupkg
+
+    - name: Upload symbol packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: symbol-packages
+        path: ./artifacts/*.snupkg
+
+    - name: Publish to NuGet
+      if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+      run: dotnet nuget push ./artifacts/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+      env:
+        NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}