update: 修改主页 README 图标超链接

wj-vue/src/components/home/QuickNav.vue

 <template>
     <div class="quick-nav">
       <img src="../../assets/img/icon/icon2.png" alt="" class="monster">
-      <img src="../../assets/img/icon/icon5.png" alt="" class="readme">
+      <a href="https://github.com/Antabot/White-Jotter/blob/master/README.md" target="_blank">
+        <img src="../../assets/img/icon/icon5.png" alt="" class="readme">
+      </a>
       <img src="../../assets/img/icon/icon7.png" alt="" class="spark">
       <img src="../../assets/img/icon/logo.png" alt="" class="logo">
     </div>