feat: add github workflow for pr build check

Adds a new GitHub workflow to automatically build the solution on pull requests to the master branch. This ensures that the code in PRs is in a buildable state before merging.

.github/workflows/pr-build-check.yml

@@ -0,0 +1,25 @@
+name: PR Build Check
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '8.x'
+
+      - name: Restore dependencies
+        run: dotnet restore CRSim.sln
+
+      - name: Build
+        run: dotnet build CRSim.sln --configuration Release --no-restore