feat: Implement AJAX form submission for career application with loading states, SweetAlert2 notifications, and server-side JSON responses.

app/Http/Controllers/CareerController.php

@@ -42,6 +42,13 @@ class CareerController extends Controller
             'status' => 'pending',
         ]);
 
+        if ($request->ajax()) {
+            return response()->json([
+                'success' => true,
+                'message' => __('career.success_message')
+            ]);
+        }
+
         return redirect()->back()->with('success', __('career.success_message'));
     }
 }