docs(README): add TOC

README.md

@@ -4,6 +4,28 @@ A universal, human-centric, replayable event emitter.
 
 [![Build Status](https://travis-ci.org/lifenautjoe/noel.svg?branch=master)](https://travis-ci.org/lifenautjoe/noel) ![Human Friendly](https://img.shields.io/badge/human-friendly-brightgreen.svg) [![Coverage Status](https://coveralls.io/repos/github/lifenautjoe/noel/badge.svg?branch=master)](https://coveralls.io/github/lifenautjoe/noel?branch=master)
 
+## Table of Contents
+
+- [Motivation](#motivation)
+- [Features](#features)
+- [Installation](#installation)
+- [Usage](#usage)
+  * [Creating a noel instance](#creating-a-noel-instance)
+  * [Emitting and listening to events](#emitting-and-listening-to-events)
+  * [Replaying events](#replaying-events)
+  * [Disabling replay](#disabling-replay)
+  * [Enabling replay](#enabling-replay)
+  * [Removing an event listener](#removing-an-event-listener)
+  * [Removing all event listeners](#removing-all-event-listeners)
+  * [Clearing an event replay buffer](#clearing-an-event-replay-buffer)
+  * [Clearing all events replay buffers](#clearing-all-events-replay-buffers)
+  * [Changing the events replay buffer size](#changing-the-events-replay-buffer-size)
+  * [Disabling the no event listeners warning](#disabling-the-no-event-listeners-warning)
+  * [Enabling the no event listeners warning](#enabling-the-no-event-listeners-warning)
+- [Development](#development)
+  * [Clone the repository](#clone-the-repository)
+  * [Use npm commands](#use-npm-commands)
+
 ## Motivation
 
 The world just like software is full of events. Sometimes these events occur while we are busy doing other things. Wouldn't it be nice to have a way to replay all events? Noel is the way.