Enhance DatabaseSeeder and Home view functionality

- Updated DatabaseSeeder to check for existing admin user before creation.
- Modified Home view to include max-height for collection items and added filter functionality for product categories.
- Introduced JavaScript for dynamic filtering of product cards based on selected categories.

database/seeders/DatabaseSeeder.php

@@ -18,10 +18,14 @@ class DatabaseSeeder extends Seeder
     {
         // User::factory(10)->create();
 
-        User::factory()->create([
-            'name' => 'Admin',
-            'email' => 'admin@example.com',
-            'password' => Hash::make('password'),
-        ]);
+        if (User::where('email', 'admin@example.com')->doesntExist()) {
+            User::factory()->create([
+                'name' => 'Admin',
+                'email' => 'admin@example.com',
+                'password' => Hash::make('password'),
+            ]);
+        }
+
+        $this->call(DemoSeeder::class);
     }
 }