Merge pull request #8 from shiena/update-readme

Add version compatibility table

Author: mrkm4ntr

README.md

@@ -6,6 +6,16 @@ This plugin provides network graph for [GitBucket](https://github.com/gitbucket/
 
 Download jar file from [the release page](https://github.com/mrkm4ntr/gitbucket-network-plugin/releases) and put into `GITBUCKET_HOME/plugins`.
 
+## Version
+
+Plugin version|GitBucket version
+:---|:---
+1.4|4.11.x
+1.3|4.10.x
+1.2|4.9.x
+1.1|4.0.x -> 4.8.x
+1.0|4.0.x -> 4.8.x
+
 ## Build from source
 
 1. Install node.js and sbt