Expand Link app with analytics, settings, and custom domains.

Add Bitly-style branded domain support via Ladill Domains SSL API,
account analytics dashboard, settings page with default domain picker,
and fix SSO/dashboard issues from QR Plus template leftovers.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/links/create.blade.php

@@ -1,4 +1,5 @@
-<x-layouts.user :title="'Create Link'">
+<x-user-layout>
+    <x-slot name="title">Create Link</x-slot>
     <div class="mx-auto max-w-xl space-y-6">
         <div>
             <h1 class="text-2xl font-semibold text-slate-900">Create short link</h1>
@@ -50,4 +51,4 @@
             </div>
         </form>
     </div>
-</x-layouts.user>
+</x-user-layout>