🌍 Add Top-Countries, Top-Meetups, and Activities dashboard components

- Introduced three new Livewire components for the dashboard:
  - Top Countries: Displays countries with the most users.
  - Top Meetups: Highlights meetups with the largest user counts.
  - Activities: Showcases recent meetups and events.
- Updated `dashboard.blade.php` to lazy-load these components.
- Expanded multilingual support for relevant labels across all languages.

lang/en.json

@@ -460,5 +460,16 @@
     "Über den Kurs": "About the course",
     "Über uns": "About us",
     "Alle Meetups": "All Meetups",
-    "Welt-Karte": "World Map"
+    "Welt-Karte": "World Map",
+    "Aktivitäten": "Activities",
+    "Neue Meetups und Termine": "New Meetups and Events",
+    "Neues Meetup": "New Meetup",
+    "Neuer Termin": "New Event",
+    "Keine Aktivitäten": "No Activities",
+    "Top Länder": "Top Countries",
+    "Länder mit den meisten Usern": "Countries with Most Users",
+    "User": "Users",
+    "Keine Daten verfügbar": "No Data Available",
+    "Top Meetups": "Top Meetups",
+    "Meetups mit den meisten Usern": "Meetups with Most Users"
 }