Add appveyor badge in the README.md
@@ -12,6 +12,8 @@ several data structures on top of an sdb or a memcache instance.
[![Travis](https://api.travis-ci.org/radare/sdb.svg)](https://travis-ci.org/radare/sdb)
+[![Appveyor](https://ci.appveyor.com/api/projects/status/github/radare/sdb?branch=master&svg=true)](https://ci.appveyor.com/project/radare/sdb)
+
[![Build Status](http://ci.rada.re/buildStatus/icon?job=sdb)](http://ci.rada.re/job/sdb/)
[![Build Status](https://scan.coverity.com/projects/1651/badge.svg)](https://scan.coverity.com/projects/1651)
