TOC + readme update

Author: Christopher Whatley

README.md

@@ -1,8 +1,22 @@
-## Table of Contents
-
 material-ui-react-jsonschema-form
 ==================================
 
+## Table of Contents
+
+  - [Installation](#installation)
+  - [Overview](#overview)
+  - [Playground](#playground)
+
+---
+
+## Installation
+
+```
+npm i material-ui-react-jsonschema-form
+```
+
+## Overview
+
 This package exports a Form object that renders using material-ui by
 default.
 
@@ -12,4 +26,6 @@ keeping up to date with that project should be quite a bit simpler.
 
 Use of this package should be roughly the same as 'mozilla-services/react-jsonschema-form'.
 
+## Playground
+
 You can launch a playground that has been ported to material-ui via 'npm start'.