ci: add Gitea Action for Raspberry Pi ARM64 builds

.gitea/workflows/build-pi.yaml

@@ -0,0 +1,71 @@
+name: Build Raspberry Pi Binary
+on: [push, workflow_dispatch]
+
+jobs:
+  build-arm64:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: linux/arm64
+
+      - name: Build in Docker (ARM64)
+        run: |
+          # Run the build inside a Python container emulating ARM64
+          # We map the current directory to /app
+          docker run --rm --platform linux/arm64 \
+            -v "${{ github.workspace }}:/app" \
+            -w /app \
+            python:3.11-bookworm \
+            /bin/bash -c "
+              set -e
+              
+              # 1. Install System Dependencies required for PySide6/Qt linkage and PyInstaller
+              apt-get update && apt-get install -y --no-install-recommends \
+                libgl1 \
+                libegl1 \
+                libxkbcommon-x11-0 \
+                libdbus-1-3 \
+                libfontconfig1 \
+                binutils
+
+              # 2. Install Python Dependencies
+              pip install --upgrade pip
+              pip install -r requirements.txt
+
+              # 3. Run PyInstaller (Using command from build.sh)
+              echo 'Running PyInstaller...'
+              pyinstaller --name 'volvodisplay' \
+                          --onefile \
+                          --windowed \
+                          --clean \
+                          --noconfirm \
+                          --add-data 'main.qml:.' \
+                          --add-data 'TemperatureGauge.qml:.' \
+                          --exclude-module PySide6.QtWebEngineQuick \
+                          --exclude-module PySide6.QtWebEngineCore \
+                          --exclude-module PySide6.QtQuick3DSpatialAudio \
+                          main.py
+              
+              # 4. Copy config
+              cp config.json dist/
+
+              # 5. Fix permissions (Docker runs as root, we need to own the files to upload them)
+              chown -R $(id -u):$(id -g) dist
+            "
+
+      - name: Upload Binary
+        uses: actions/upload-artifact@v3
+        with:
+          name: volvodisplay-arm64
+          path: dist/volvodisplay
+
+      - name: Upload Config
+        uses: actions/upload-artifact@v3
+        with:
+          name: config
+          path: dist/config.json