Add build verification

Author: sebastienros

.github/workflows/pr.yml

@@ -0,0 +1,33 @@
+name: Build
+
+on:
+  pull_request:
+    branches: [ main ]
+    paths-ignore:
+    - 'scenarios/**'
+    - 'build/**'
+    - 'README.md'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    env:
+        DOTNET_NOLOGO: true
+        DOTNET_CLI_TELEMETRY_OPTOUT: 1
+
+    steps:
+    - name: Checkout source code
+      uses: actions/checkout@v3
+
+    - name: Install required .NET versions
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: | 
+          6.0.x
+          7.0.x
+          8.0.x
+
+    - name: Build
+      run: dotnet build .\src\BenchmarksApps\TechEmpower\PlatformBenchmarks\PlatformBenchmarks.csproj
+