fix namespace and use spelling mistake

apps/backend/routes/events.php

@@ -1,8 +1,8 @@
 <?php
 
-use app\Http\Controllers\EventsController;
-use app\Http\Controllers\SearchController;
-use app\Http\Controllers\TasksController;
+use App\Http\Controllers\EventsController;
+use App\Http\Controllers\SearchController;
+use App\Http\Controllers\TasksController;
 use Illuminate\Support\Facades\Route;
 
 Route::middleware(['web', 'auth:sanctum'])->post('/events/create', [EventsController::class, "create"]);