🔥 Add initial database migrations, seeders, and factories

🎨 Refactor `Lecturer` model to include new fields and factory usage
🔧 Update `DatabaseSeeder` to handle default seeds
🛠️ Enhance `einundzwanzig` database configuration for SQLite compatibility

database/seeders/SecuritySeeder.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\SecurityAttempt;
+use Illuminate\Database\Seeder;
+
+class SecuritySeeder extends Seeder
+{
+    public function run(): void
+    {
+        SecurityAttempt::factory()->count(15)->create();
+        SecurityAttempt::factory()->high()->count(4)->create();
+        SecurityAttempt::factory()->critical()->count(1)->create();
+    }
+}