(fix): prevent zoom on input focus on ios devices

Author: realabdullah

pages/index.vue

@@ -2,6 +2,10 @@
 useHead({
   title: 'Markdown Playground',
   meta: [
+    {
+      name: "viewport",
+      content: "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no",
+    },
     {
       name: 'description',
       content: 'Home page of Markdown Playground',