feat: set web app title for apple mobile (#607)

Author: chenxsan

src/_includes/layouts/base.html

@@ -5,6 +5,7 @@
     <meta charset="UTF-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="apple-mobile-web-app-title" content="ESLint">
 
     {% if title %}
         {% set page_title = title %}