feat(auth): implement authentication endpoints with registration and login functionality

routes/api.php

@@ -0,0 +1,9 @@
+<?php
+
+use App\Http\Controllers\Api\AuthController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('auth')->group(function (): void {
+    Route::post('register', [AuthController::class, 'register']);
+    Route::post('login', [AuthController::class, 'login']);
+});