ci: add Gitea Actions binary build pipeline

.gitea/workflows/build-binaries.yml

@@ -0,0 +1,50 @@
+name: build-binaries
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install OS deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y python3-venv libfuse2 wget
+
+      - name: Build Linux binary
+        run: bash build/build_linux.sh
+
+      - name: Install appimagetool
+        run: |
+          wget -O /tmp/appimagetool.AppImage \
+            https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
+          chmod +x /tmp/appimagetool.AppImage
+          sudo mv /tmp/appimagetool.AppImage /usr/local/bin/appimagetool
+
+      - name: Build AppImage
+        run: bash build/build_appimage.sh
+
+      - name: Upload binary artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: TrulyMEM-linux-${{ github.sha }}
+          path: |
+            dist/TrulyMEM
+            dist/TrulyMEM.desktop
+            dist/TrulyMEM.AppImage
+          if-no-files-found: error
+          retention-days: 30