docs: update TOC

Author: bluepeter

README.md

@@ -23,7 +23,6 @@ Please review our [contributing guidelines](https://github.com/brillout/awesome-
 
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
-
 ## Table of Contents
 
 - [UI Components](#ui-components)