chore: support linux/amd64 linux/arm64 platform (#10)

Author: zmh-program

.github/workflows/docker.yaml

@@ -24,5 +24,6 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ secrets.DOCKERHUB_USERNAME }}/chatnio-blob-service:latest