add build badge

gengjiawen · web-flow · commit 2dd0b89e1372 · 2020-10-27T21:12:36.000+08:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 ## Android Docker Image for react native
+![Build Docker image](https://github.com/react-native-community/docker-android/workflows/Build%20Docker%20image/badge.svg)
 [![Publish](https://github.com/react-native-community/docker-android/workflows/Publish/badge.svg?event=release)](https://hub.docker.com/r/reactnativecommunity/react-native-android) 
 [![Docker Pulls](https://img.shields.io/docker/pulls/reactnativecommunity/react-native-android.svg?maxAge=3600)](https://hub.docker.com/r/reactnativecommunity/react-native-android) 
 [![Docker Layers](https://images.microbadger.com/badges/image/reactnativecommunity/react-native-android.svg)](https://hub.docker.com/r/reactnativecommunity/react-native-android)

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`## Android Docker Image for react native`
	`2`	`+![Build Docker image](https://github.com/react-native-community/docker-android/workflows/Build%20Docker%20image/badge.svg)`
`2`	`3`	`[![Publish](https://github.com/react-native-community/docker-android/workflows/Publish/badge.svg?event=release)](https://hub.docker.com/r/reactnativecommunity/react-native-android)`
`3`	`4`	`[![Docker Pulls](https://img.shields.io/docker/pulls/reactnativecommunity/react-native-android.svg?maxAge=3600)](https://hub.docker.com/r/reactnativecommunity/react-native-android)`
`4`	`5`	`[![Docker Layers](https://images.microbadger.com/badges/image/reactnativecommunity/react-native-android.svg)](https://hub.docker.com/r/reactnativecommunity/react-native-android)`