🎨 **Style:** Fixed indentation inconsistencies in meetup_user migration file.

🛠️ **Factory:** Created factories for `TwitterAccount`, `EmailCampaign`, `EmailTexts`, and `BookCase`.
✨ **Helper:** Added `NostrHelper` with methods for generating fake/mocked Nostr data.
⬆️ **Dependencies:** Updated multiple Composer dependencies including `laravel/framework`, `astrotomic/laravel-translatable`, and others to their latest versions.

database/factories/LibraryFactory.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Library;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Library>
+ */
+class LibraryFactory extends Factory
+{
+    protected $model = Library::class;
+
+    public function definition(): array
+    {
+        return [
+            'name' => fake()->unique()->randomElement([
+                'Bitcoin Standard Library',
+                'Lightning Network Resources',
+                'Nostr Knowledge Base',
+                'Self Custody Guides',
+                'Sound Money Classics',
+                'Cypherpunk Archive',
+            ]).' '.fake()->unique()->numberBetween(1, 9999),
+            'is_public' => true,
+            'language_codes' => ['en', 'de'],
+            'parent_id' => null,
+            'created_by' => User::factory(),
+        ];
+    }
+}