🎨 **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/CourseFactory.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Course;
+use App\Models\Lecturer;
+use App\Models\User;
+use Database\Factories\Helpers\NostrHelper;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Course>
+ */
+class CourseFactory extends Factory
+{
+    protected $model = Course::class;
+
+    public function definition(): array
+    {
+        return [
+            'lecturer_id' => Lecturer::factory(),
+            'name' => fake()->randomElement([
+                'Bitcoin Basics',
+                'Lightning Network Workshop',
+                'Self Custody Mastery',
+                'Hardware Wallet Setup',
+                'Nostr für Anfänger',
+                'Sound Money & Austrian Economics',
+                'Bitcoin Mining 101',
+                'Privacy & Coinjoin',
+            ]).' #'.fake()->unique()->numberBetween(1, 99999),
+            'description' => fake()->paragraphs(2, true),
+            'nostr_status' => NostrHelper::fakeNostrEventStatus(),
+            'created_by' => User::factory(),
+        ];
+    }
+}