doc: Add workflow status.

Author: liqiang-fit2cloud

README.md

@@ -4,6 +4,7 @@
 
 [![Downloads](https://img.shields.io/docker/pulls/kubeoperator/webkubectl?label=downloads)](https://hub.docker.com/r/kubeoperator/webkubectl)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubeoperator/webkubectl)](https://goreportcard.com/report/github.com/kubeoperator/webkubectl)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/kubeoperator/webkubectl/build-and-push-to-dockerhub)](https://github.com/KubeOperator/webkubectl/actions/workflows/publish-to-dockerhub.yml)
 ![License](https://img.shields.io/github/license/KubeOperator/webkubectl)
 ![Dockerized](https://img.shields.io/badge/dockerized-yes-brightgreen)
 ![Version](https://img.shields.io/github/v/release/kubeoperator/webkubectl)

README.zh_CN.md

@@ -4,6 +4,7 @@
 
 [![Downloads](https://img.shields.io/docker/pulls/kubeoperator/webkubectl?label=downloads)](https://hub.docker.com/r/kubeoperator/webkubectl)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubeoperator/webkubectl)](https://goreportcard.com/report/github.com/kubeoperator/webkubectl)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/kubeoperator/webkubectl/build-and-push-to-dockerhub)](https://github.com/KubeOperator/webkubectl/actions/workflows/publish-to-dockerhub.yml)
 ![License](https://img.shields.io/github/license/KubeOperator/webkubectl)
 ![Dockerized](https://img.shields.io/badge/dockerized-yes-brightgreen)
 ![Version](https://img.shields.io/github/v/release/kubeoperator/webkubectl)