CI: add linux appimage action

.github/workflows/build.yml

@@ -7,16 +7,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install dependancies
-        run: sudo apt update; sudo apt install -y libusb-1.0-0-dev cmake qt6-base-dev qt6-base-dev-tools qt6-tools-dev-tools libqt6widgets6 libqt6multimedia6 wget libglx-dev libgl1-mesa-dev qt6-qpa-plugins
+        run: sudo apt update; sudo apt install -y libusb-1.0-0-dev cmake qt6-base-dev qt6-base-dev-tools qt6-tools-dev-tools libqt6widgets6 libqt6multimedia6 qt6-multimedia-dev ffmpeg wget libglx-dev libgl1-mesa-dev qt6-qpa-plugins
       - name: Check out repository code
-        uses: ischanx/checkout@8c80eac3058d03dc5301629e8f7d59ae255d6cc3
-      - name: Checkout libeismultiplexer
-        run: git clone http://192.168.178.27/git/Eismultiplexer/libeismultiplexer.git
+        uses: actions/checkout@v6
       - name: Install Appimagetool
         run: |
             wget -c https://github.com/$(wget -q https://github.com/probonopd/go-appimage/releases/expanded_assets/continuous -O - | grep "appimagetool-.*-x86_64.AppImage" | head -n 1 | cut -d '"' -f 2)
             chmod +x appimagetool-*-x86_64.AppImage
-            mv appimagetool-*-x86_64.AppImage /usr/bin/appimagetool
+            sudo mv appimagetool-*-x86_64.AppImage /usr/bin/appimagetool
       - name: Version
         id: version
         run: |
@@ -32,6 +30,8 @@ jobs:
       - name: Create Appimage
         run: |
             cd ${{ github.workspace }}/build/
+            install -d install/usr/lib/x86_64-linux-gnu/qt6/plugins/multimedia
+            cp -vr /lib/x86_64-linux-gnu/qt6/plugins/multimedia/libffmpegmediaplugin.so install/usr/lib/x86_64-linux-gnu/qt6/plugins/multimedia/
             appimagetool --appimage-extract-and-run -s deploy install/usr/share/applications/xyz.uvos.aceradio.desktop
             appimagetool --appimage-extract-and-run -s install
       - name: Upload Appimage