feat: make theme customization not available to nano

This is for implementing plan model.

app/Http/Controllers/TenantCustomizationController.php

@@ -4,15 +4,20 @@
 
 use Illuminate\Contracts\View\Factory;
 use Illuminate\Contracts\View\View;
+use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 
 class TenantCustomizationController extends Controller
 {
     /**
     * Custom method for theme customization
     */
-    public function theme(Request $request): View|Factory
+    public function theme(Request $request): RedirectResponse|View|Factory
     {
+        if(tenant('plan') == 'nano') {
+            return redirect()->route('dashboard')->with('error_message', 'You need to upgrade your plan to access this feature.');
+        }
+
         if(is_null($request->input("prefersDarkMode"))) {
             return view('tenants.customizations.init');
         }

resources/views/dashboard.blade.php

@@ -1,11 +1,15 @@
-<x-app-l <x-app-layout>
+<x-app-layout>
     <x-slot name="header">
         <h2 class="font-semibold text-xl text-gray-800 dark:text-gray-200 leading-tight">
             {{ __('Dashboard') }}
         </h2>
     </x-slot>
 
     <div class="py-12">
+        @if (session()->has('error_message'))
+            <x-mary-alert class="alert-error" icon="o-exclamation-triangle" title="{{ session('error_message') }}"
+                dismissible />
+        @endif
         {{-- NOTE: we will only check for updates if were on the dashboard route of the central app --}}
         @if (is_null(tenant('id')))
             @if (Route::current()->getName() === 'dashboard')
@@ -74,5 +78,4 @@ class="text-orange-500" color="text-pink-500" tooltip-right="Gosh!" />
             @yield('content')
         @endif
     </div>
-    </x-app-layout>
-    ayout>
+</x-app-layout>