Added another plugin to the list of users

Author: AnnaVel

README.md

@@ -38,6 +38,7 @@ This is a fork of UFO's plugin package updated for VS2015
   * https://github.com/kbilsted/NppPluginCutNCopyLine
   * https://github.com/kbilsted/NppPluginRebaseAssister
   * https://github.com/nea/MarkdownViewerPlusPlus
+  * https://github.com/AnnaVel/RtfHelper
 
 If your plugin is not on the list, please make a PR with a link to it.. :-)
 
@@ -131,4 +132,4 @@ I blog at http://firstclassthoughts.co.uk/ on code readability and quality
 
   [1]: https://www.nuget.org/packages/MSBuild.ILMerge.Task/
   [2]: https://www.nuget.org/packages/ilmerge
-  [3]: https://www.nuget.org/
+  [3]: https://www.nuget.org/