🔥 Remove unused tests, update factories, and introduce recurrence features

- **Removed:** Unused feature and component tests to clean up the codebase.
- **Added:** `RecurrenceType` enum for handling event recurrence modes.
- **Introduced:** City, Country, and Meetup factories for test data generation.
- **Implemented:** Migration to support recurring event fields in `meetup_events` table.
- **Enhanced:** Livewire meetup events creation with recurrence validation and preview logic.
- **Updated:** PHPUnit test suite configuration and composer dependencies for `pestphp/pest@v4.3`.
- **Refined:** SEO configuration (`favicon`) to standardize icon format.

app/Enums/RecurrenceType.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Enums;
+
+enum RecurrenceType: string
+{
+    case Daily = 'daily';
+    case Weekly = 'weekly';
+    case Monthly = 'monthly';
+    case Yearly = 'yearly';
+    case Custom = 'custom';
+
+    public function getLabel(): string
+    {
+        return match ($this) {
+            self::Daily => __('Täglich'),
+            self::Weekly => __('Wöchentlich'),
+            self::Monthly => __('Monatlich'),
+            self::Yearly => __('Jährlich'),
+            self::Custom => __('Benutzerdefiniert'),
+        };
+    }
+}