Update project dependencies and configuration

- Added Filament and Tailwind CSS dependencies in composer.json.
- Updated AGENTS.md to include new package versions.
- Modified boost.json to include tailwindcss-development skill.
- Updated DatabaseSeeder to create an admin user with a password.
- Changed the root route to use HomeController instead of a closure.
- Adjusted permissions for .gitignore in storage directory.

app/Models/Collection.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Storage;
+
+class Collection extends Model
+{
+    protected $fillable = ['title', 'subtitle', 'image', 'order', 'is_active'];
+
+    protected static function booted(): void
+    {
+        static::deleting(function (Collection $collection) {
+            if ($collection->image) {
+                Storage::disk('public')->delete($collection->image);
+            }
+        });
+    }
+}