add build GitHub actions workflow

Author: UmbrellaLeaf5

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Build
+
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
+      - name: Setup Qt
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: "6.6.0"
+          host: linux
+          target: desktop
+
+      - name: Add Qt to PATH
+        run: echo "$QT_PATH/bin" >> $GITHUB_PATH
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake libgl1-mesa-dev
+
+      - name: Configure CMake
+        run: |
+          cmake -B build -S . -DCMAKE_BUILD_TYPE=Release
+
+      - name: Build project
+        run: |
+          cmake --build build --config Release --parallel 2