Add workflow

Author: cartheur

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '9.0'
+
+    - name: Restore dependencies
+      run: dotnet restore
+
+    - name: Build the project
+      run: dotnet build --no-restore --configuration Release
+
+    - name: Run tests
+      run: dotnet test --no-build --verbosity normal