Update README.md

Author: niemyjski

README.md

@@ -1,5 +1,7 @@
-angular-filters
-===============
+# angular-filters
+[![Gitter](https://img.shields.io/badge/gitter-join_chat-brightgreen.svg)](https://gitter.im/exceptionless/Discuss) 
+[![Bower version](https://img.shields.io/bower/v/ng-filters.svg)](http://bower.io/search/?q=ng-filters)
+[![Donate](https://img.shields.io/badge/donorbox-donate-blue.svg)](https://donorbox.org/exceptionless) 
 
 Useful filters for AngularJS