Adds a "Watching" tab beside the "News Feed", "Pull Requests" and "Issues" tabs on the Github homepage
// ==UserScript==
// @name Github.com - Add "Watching" tab
// @namespace r-a-y/github/watching/homepage
// @description Adds a "Watching" tab beside the "News Feed", "Pull Requests" and "Issues" tabs on the Github homepage
// @include https://github.com/
// @version 1
// @grant none
// ==/UserScript==
var nav = document.getElementsByClassName('pagehead-nav');
var watchingLink = document.createElement('a');
watchingLink.href = '/watching';
watchingLink.setAttribute( 'class', 'pagehead-nav-item' );
watchingLink.innerHTML = '<span class="octicon octicon-eye"> </span> Watching';
nav[0].appendChild( watchingLink );