perfect-scrollbar: added Source link to the lib

library/perfect-scrollbar/perfect-scrollbar.jquery.js

@@ -2,6 +2,8 @@
 (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 /* Copyright (c) 2015 Hyunje Alex Jun and other contributors
  * Licensed under the MIT License
+ * 
+ * Source: https://github.com/noraesae/perfect-scrollbar
  */
 'use strict';