add MSBuild workflow

Author: tadamovsky

.github/workflows/msbuild.yml

@@ -0,0 +1,28 @@
+name: MSBuild
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup vcpkg
+      uses: lukka/run-vcpkg@v11
+      with:
+        vcpkgJsonGlob: 'vcpkg.json'
+
+    - name: Add MSBuild to PATH
+      uses: microsoft/setup-msbuild@v2
+
+    - name: Restore NuGet packages
+      working-directory: ${{env.GITHUB_WORKSPACE}}
+      run: nuget restore ${{env.SOLUTION_FILE_PATH}}
+
+    - name: Build
+      working-directory: ${{env.GITHUB_WORKSPACE}}
+      # See https://docs.microsoft.com/visualstudio/msbuild/msbuild-command-line-reference
+      run: msbuild SimpleXmlValidator.sln /p:Configuration=Release /p:Platform=x64 `
+            /p:VcpkgEnableManifest=true