🎨 **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/ParticipantFactory.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Participant;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Participant>
+ */
+class ParticipantFactory extends Factory
+{
+    protected $model = Participant::class;
+
+    public function definition(): array
+    {
+        return [
+            'first_name' => fake()->firstName(),
+            'last_name' => fake()->lastName(),
+        ];
+    }
+}