arm support for GH action

Author: jredrejo

.github/workflows/build_zip.yml

@@ -53,6 +53,12 @@ jobs:
       with:
         name: ${{ inputs.deb-file-name }}
         path: dist
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+      with:
+        platforms: arm
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
     - name: Build the pi image
       run: ./build-docker.sh
     - name: Rename the pi image and zip file