Update Linux build woorkflow

.github/workflows/linux-build.yml

@@ -0,0 +1,64 @@
+name: Linux Build Test
+
+on:
+  push:
+    branches:
+      - appimage-test
+
+jobs:
+  build:
+    runs-on: ubuntu-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 PyQt5 pyinstaller
+
+    - name: Build application
+      run: |
+        pyinstaller --onefile --windowed main.py
+
+    - name: Install AppImage tools
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y wget
+        wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
+        chmod +x appimagetool-x86_64.AppImage
+        sudo mv appimagetool-x86_64.AppImage /usr/local/bin/appimagetool
+
+    - name: Create AppDir
+      run: |
+        mkdir -p MyApp.AppDir/usr/bin
+        cp dist/main MyApp.AppDir/usr/bin/
+        cat > MyApp.AppDir/AppRun << EOL
+        #!/bin/bash
+        HERE="$(dirname "$(readlink -f "${0}")")"
+        export PATH="${HERE}/usr/bin/:${PATH}"
+        export LD_LIBRARY_PATH="${HERE}/usr/lib/:${LD_LIBRARY_PATH}"
+        exec "${HERE}/usr/bin/main" "$@"
+        EOL
+        chmod +x MyApp.AppDir/AppRun
+        echo "[Desktop Entry]
+        Name=MyApp
+        Exec=main
+        Icon=myapp
+        Type=Application
+        Categories=Utility;" > MyApp.AppDir/myapp.desktop
+        touch MyApp.AppDir/myapp.png  # Replace this with your actual icon
+
+    - name: Build AppImage
+      run: |
+        appimagetool MyApp.AppDir MyApp-x86_64.AppImage
+
+    - name: Upload AppImage
+      uses: actions/upload-artifact@v2
+      with:
+        name: MyApp-x86_64.AppImage
+        path: MyApp-x86_64.AppImage