Add a CI/CD build pipeline

Author: TheJoeFin

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  pull_request:
+    branches:
+      - main
+      - dev
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v6
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: '9.0.x'
+
+    - name: Restore dependencies
+      run: dotnet restore "Simple QR Code Maker.sln"
+
+    - name: Build solution
+      run: dotnet build "Simple QR Code Maker.sln" --configuration Release --no-restore