FEAT(app): add QEMU for ARM64 build

- Enable ARM64 cross-compilation
- Add QEMU emulation support

.github/workflows/build.yml

@@ -26,6 +26,9 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3