docs: Add a TOC to the README

Add a table of contents to the README.

Signed-off-by: James O. D. Hunt <[email protected]>

README.md

@@ -6,6 +6,19 @@
 
 # runtime
 
+* [Introduction](#introduction)
+* [License](#license)
+* [Hardware requirements](#hardware-requirements)
+* [Quick start for users](#quick-start-for-users)
+* [Quick start for developers](#quick-start-for-developers)
+* [Community](#community)
+* [Configuration](#configuration)
+* [Debugging](#debugging)
+    * [Global logfile](#global-logfile)
+    * [Enabling debug for various components](#enabling-debug-for-various-components)
+* [Limitations](#limitations)
+* [Home Page](#home-page)
+
 ## Introduction
 
 `cc-runtime` is the next generation of Intel® Clear Containers runtime.