Modify links for the images in README.md

Author: PeachScript

README.md

@@ -1,12 +1,12 @@
-<p align="center"><img width="200" src="./doc/logo.png"></p>
+<p align="center"><img width="200" src="http://www.peachis.me/assets/vue-infinite-loading/logo.png"></p>
 <p align="center">
   <a href="https://travis-ci.org/PeachScript/vue-infinite-loading"><img src="https://img.shields.io/travis/PeachScript/vue-infinite-loading/master.svg"></a>
   <a href="https://codecov.io/github/PeachScript/vue-infinite-loading?branch=master"><img src="https://img.shields.io/codecov/c/github/PeachScript/vue-infinite-loading/master.svg"></a>
   <a href="https://www.npmjs.com/package/vue-infinite-loading"><img src="https://img.shields.io/npm/dt/vue-infinite-loading.svg"></a>
   <a href="https://www.npmjs.com/package/vue-infinite-loading"><img src="https://img.shields.io/npm/v/vue-infinite-loading.svg"></a>
   <a href="https://www.npmjs.com/package/vue-infinite-loading"><img src="https://img.shields.io/npm/l/vue-infinite-loading.svg"></a>
 </p>
-<p align="center"><img src="./doc/demo.gif"></p>
+<p align="center"><img src="http://www.peachis.me/assets/vue-infinite-loading/demo.gif"></p>
 
 ## Intro
 This plugin is an infinite scroll plugin for Vue.js, it can help you create an infinite scroll list fastly.