Buidl with github actions

Add github action workflow to build flutter_assets for pi

.github/workflows/build.yml

@@ -0,0 +1,53 @@
+name: Build Odyssey
+
+on:
+  push:
+  workflow_call:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4.1.1
+
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable' # or: 'beta', 'dev', 'master' (or 'main')
+      - run: flutter pub global activate flutterpi_tool
+      - run: flutterpi_tool build --arch=arm64 --cpu=pi4 --release
+
+
+      - name: Copy & Compress output
+        id: compress
+        run: |
+          cp target/armv7-unknown-linux-gnueabihf/release/odyssey odyssey
+          cp target/armv7-unknown-linux-gnueabihf/release/odyssey.yaml odyssey.yaml
+          cp target/armv7-unknown-linux-gnueabihf/release/apiHelper.py apiHelper.py
+          tar -czvf orion.tar.gz build/flutter_assets
+          echo "archive=$ARCHIVE" >> $GITHUB_OUTPUT
+
+      - uses: actions/upload-artifact@v4.3.1
+        with:
+          name: orion
+          path: |
+            orion.tar.gz
+
+      - uses: ncipollo/release-action@v1.14.0
+        if: github.ref == 'refs/heads/main'
+        with:
+          artifacts: orion.tar.gz
+          tag: v1
+          skipIfReleaseExists: true
+          generateReleaseNotes: true
+          commit: ${{github.sha}}
+      - uses: ncipollo/release-action@v1.14.0
+        if: github.ref != 'refs/heads/main'
+        with:
+          artifacts: orion.tar.gz
+          tag: BRANCH_${{github.ref_name}}
+          skipIfReleaseExists: false
+          allowUpdates: true
+          prerelease: true
+          generateReleaseNotes: true
+          commit: ${{github.sha}}