readme update: twitter

README.md

 # Shower
-Сross-browser presentation template
+Сross-browser presentation template.
 
 * Open [pepelsbey.github.com/shower](http://pepelsbey.github.com/shower/)
 * Switch your browser to fullscreen mode or press play button to enter presentation mode
@@ -8,6 +8,8 @@
 
 If you want to test your presentation in different resolutions open [frame.htm](http://pepelsbey.github.com/shower/frame.htm) and switch between tabs.
 
+Follow [shower_me](http://twitter.com/shower_me/) on Twitter for updates.
+
 ## Supported Browsers
 
 Desktop platforms: