Add heading for TOC/Index

README.md

@@ -4,6 +4,7 @@ A curated list of amazingly awesome PHP libraries, resources and shiny things.
 # Contributing
 Please see [CONTRIBUTING](https://github.com/ziadoz/awesome-php/blob/master/CONTRIBUTING.md) for details.
 
+# Table of Contents
 - [Awesome PHP](#awesome-php)
 	- [Dependency Management](#dependency-management)
 	- [Dependency Management Extras](#dependency-management-extras)