chore: Add GitHub Actions workflow for test build

.github/workflows/test-build.yml

@@ -0,0 +1,54 @@
+name: Test Build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install pyinstaller
+    - name: Build with PyInstaller
+      run: |
+        cd forester-game-app
+        pyinstaller pyinstaller.spec
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: Forester-Windows
+        path: forester-game-app/dist/Forester.exe
+
+  build-macos:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install pyinstaller
+    - name: Build with PyInstaller
+      run: |
+        cd forester-game-app
+        pyinstaller pyinstaller.spec
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: Forester-macOS
+        path: forester-game-app/dist/Forester