🌍 Add dynamic country parameter to settings routes and enhance data relationships

- Updated settings route links to include `country` parameter dynamically resolved from session.
- Improved relational queries by adding `city.country` to meetups map and `coursesEvents.course` to lecturers data.

resources/views/livewire/meetups/map.blade.php

@@ -44,7 +44,7 @@ class extends Component {
                     'meetups.simplex',
                     'meetups.signal',
                 ])
-                ->with(['city:id,country_id,longitude,latitude'])
+                ->with(['city:id,country_id,longitude,latitude', 'city.country'])
                 ->get()
                 ->map(function ($meetup) {
                     $meetup->load(['meetupEvents' => function($query) {