🎨 **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/LecturerFactory.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Lecturer;
+use App\Models\User;
+use Database\Factories\Helpers\NostrHelper;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Lecturer>
+ */
+class LecturerFactory extends Factory
+{
+    protected $model = Lecturer::class;
+
+    public function definition(): array
+    {
+        $firstName = fake()->firstName();
+        $lastName = fake()->lastName();
+        $name = $firstName.' '.$lastName.' '.fake()->unique()->numberBetween(1, 99999);
+
+        return [
+            'name' => $name,
+            'active' => true,
+            'description' => fake()->paragraphs(2, true),
+            'subtitle' => 'Bitcoin-Pädagoge & Autor',
+            'intro' => fake()->paragraph(),
+            'twitter_username' => '@'.fake()->userName(),
+            'website' => 'https://'.fake()->domainName(),
+            'lightning_address' => NostrHelper::randomLightningAddress($firstName),
+            'lnurl' => null,
+            'node_id' => null,
+            'nostr' => NostrHelper::randomNpub(),
+            'paynym' => null,
+            'created_by' => User::factory(),
+        ];
+    }
+}