Enable the building of appimages on CI

.gitea/workflows/build.yml

@@ -0,0 +1,46 @@
+name: Build eismuliplexer for linux
+run-name: Building eismuliplexer for linux
+on: [push]
+
+jobs:
+  Build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Install dependancies
+        run: apt update; apt install -y libusb-1.0-0-dev cmake qt6-base-dev qt6-base-dev-tools qt6-tools-dev-tools libqt6widgets6 wget
+      - name: Check out repository code
+        uses: ischanx/checkout@8c80eac3058d03dc5301629e8f7d59ae255d6cc3
+      - name: Checkout libeismultiplexer
+        run: git clone http://192.168.178.27/git/Eismultiplexer/libeismultiplexer.git
+      - name: Install Appimagetool
+        run: |
+            wget https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-904-x86_64.AppImage
+            chmod +x appimagetool-904-x86_64.AppImage
+            mv appimagetool-904-x86_64.AppImage /usr/bin/appimagetool
+      - name: Version
+        id: libeismultiplexer version
+        run: |
+            cd ${{ gitea.workspace }}/libeismultiplexer
+            git fetch -a;
+            echo "tag=$(git describe --tags `git rev-list --tags --max-count=1`)" >> $GITHUB_OUTPUT
+      - name: Build and install libeismultiplexer
+        run: |
+            mkdir ${{ gitea.workspace }}/libeismultiplexer/build; cd ${{ gitea.workspace }}/libeismultiplexer/build
+            cmake -DCMAKE_BUILD_TYPE=Release -DGIT_TAG=${{ steps.version.outputs.tag }} ..
+            make
+            make install
+      - name: Build
+        run: |
+            mkdir ${{ gitea.workspace }}/build; cd ${{ gitea.workspace }}/build
+            cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=./install/usr ..
+            make
+            make install
+      - name: Create Appimage
+        run: |
+            cd ${{ gitea.workspace }}/build/
+            appimagetool deploy install/usr/share/applications/eismultiplexerqt.desktop
+            appimagetool install
+        uses: actions/upload-artifact@v3
+        with:
+            name: eismultiplexer-qt-appimage
+            path: ${{ gitea.workspace }}/build/*.appimage