Add GitHub actions workflow

.github/workflows/dotnet.yml

@@ -0,0 +1,32 @@
+name: .NET Core Desktop
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        configuration: [Debug, Release]
+
+    runs-on: windows-latest
+
+    env:
+      Solution_Name: RunPE
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Setup MSBuild.exe
+      uses: microsoft/[email protected]
+
+    - name: Build the application
+      run: msbuild $env:Solution_Name /p:Configuration=$env:Configuration /p:TargetFramework=v4.0
+      env:
+        Configuration: ${{ matrix.configuration }}