Create build.yml

It would be good to only allow merge PRs if this workflow builds successfully

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: Build
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Build
+    runs-on: windows-2022
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup MSBuild
+      uses: microsoft/setup-msbuild@v1
+
+    - name: Setup NuGet
+      uses: nuget/setup-nuget@v1
+
+    - name: Navigate to Workspace
+      run: cd $GITHUB_WORKSPACE
+
+    - name: Restore Packages
+      run: nuget restore Optimizer.sln
+
+    - name: Build Solution
+      run: msbuild.exe Optimizer.sln