Update README.md

README.md

@@ -1,6 +1,8 @@
 # ODF
 [Open Document Format](http://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html) (ODF) producer library for Go (golang).
 
+[![Build Status](https://drone.io/github.com/kpmy/odf/status.png)](https://drone.io/github.com/kpmy/odf/latest)
+
 ## Описание
 Формирование документа в формате Open Document (ODF) для языка Go (golang).
 
@@ -62,4 +64,4 @@ More examples in demo/report.go
 
 It works in browser now. Got Demo3, GopherJS + Dart.
 
-[http://kpmy.github.io/odf/](http://kpmy.github.io/odf/)
+[http://kpmy.github.io/odf/](http://kpmy.github.io/odf/)