Merge enhancement--tweak-readme-badges into master

Close #15.

README.md

@@ -1,8 +1,8 @@
-[![latest build status](https://gitlab.com/flwgns-docker/seafile-client/badges/2.1.1/pipeline.svg)](https://gitlab.com/flwgns-docker/seafile-client/commits/2.1.1)
-[![](https://images.microbadger.com/badges/image/flowgunso/seafile-client.svg)](https://microbadger.com/images/flowgunso/seafile-client "Get your own image badge on microbadger.com")
-[![Docker pulls](https://img.shields.io/docker/pulls/flowgunso/seafile-client.svg)](https://hub.docker.com/r/flowgunso/seafile-client)
-[![Licensed under GPLv3](https://img.shields.io/badge/License-GPLv3-red.svg)](https://www.gnu.org/licenses/gpl-3.0)
-[![@gitlab.com/flwgns-docker/seafile-client](https://img.shields.io/badge/Source%20code-GitLab-red.svg)](https://gitlab.com/flwgns-docker/seafile-client/)
+[![](https://img.shields.io/gitlab/pipeline/flwgns-docker/seafile-client/2.1.1?label=Build)](https://gitlab.com/flwgns-docker/seafile-client/commits/2.1.1)
+[![](https://img.shields.io/docker/image-size/flowgunso/seafile-client/latest?label=Docker%20image%20size&color=%230778b8)](https://hub.docker.com/r/flowgunso/seafile-client)
+[![](https://img.shields.io/docker/pulls/flowgunso/seafile-client?label=Docker%20pulls&color=%230778b8)](https://hub.docker.com/r/flowgunso/seafile-client)
+[![](https://img.shields.io/badge/License-GPLv3-red.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![](https://img.shields.io/badge/Source%20code-GitLab-red.svg)](https://gitlab.com/flwgns-docker/seafile-client/)
 
 **Share a Seafile library as a volume to other containers.**