add linux build

.github/workflows/deploy.yml

@@ -12,6 +12,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Update packages
+        run: sudo apt-get update && sudo apt-get upgrade -y
+
+      - name: Install system libraries
+        run: sudo apt-get install -y build-essential libgtk-3-dev libblkid-dev liblzma-dev ninja-build pkg-config libsecret-1-dev
+
       - name: Install Flutter
         uses: subosito/flutter-action@v2
         with:
@@ -58,7 +64,17 @@ jobs:
           # Rename Universal APK with Release Tag
           mv build/app/outputs/flutter-apk/app-release.apk bin/spectrum-${{ github.event.release.tag_name }}-app-universal.apk
 
+      - name: Build Linux app
+        run: |
+          flutter build linux --release
+
+          # create a tar.gz archive with all necessary files
+          tar -czvf spectrum-${{ github.event.release.tag_name }}-linux.tar.gz -C build/linux/x64/release/bundle .
+          mv spectrum-${{ github.event.release.tag_name }}-linux.tar.gz bin/
+
       - name: Upload release assets
         uses: softprops/action-gh-release@v2
         with:
-          files: bin/*.apk
+          files: |
+            bin/*.apk
+            bin/spectrum-${{ github.event.release.tag_name }}-linux.tar.gz