test: Super simple github action

.github/workflows/dotnet.yml

@@ -0,0 +1,34 @@
+# This workflow will build a .NET project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net
+
+name: .NET
+
+on:
+  push:
+    branches: ["dui3/alpha", "dui3/ci/*"]
+  pull_request:
+    branches: ["dui3/alpha"]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 7.x.x
+      - name: Restore tools
+        run: dotnet tool restore
+      - name: Code formatting check
+        run: dotnet csharpier --check .
+      - name: Restore dependencies
+        run: dotnet restore DUI3-DX.slnf
+      - name: Build
+        run: msbuild DUI3-DX.slnf /p:Configuration=Release /p:IsDesktopBuild=false
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: DUI3 Connectors
+          path: dist/zip/*.zip