feat(index.html): update tab icon

public/index.html

@@ -10,7 +10,7 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <link rel="icon" href="<%= BASE_URL %>logo.png">
+    <link rel="icon" href="<%= BASE_URL %>tab-icon.png">
     <title><%= htmlWebpackPlugin.options.title %></title>
     <!-- <script src="https://hzs-in.oss-cn-beijing.aliyuncs.com/test-africa/language/zh-CN.js"></script> -->
     <!-- <script src="https://dny-test.s3.ap-southeast-1.amazonaws.com/test/language/zh-CN.js"></script> -->