add config.php

WebGISPovertyMapping/api/users/get_user.php

@@ -3,7 +3,8 @@ require_once '../../auth.php';
 requireRole('admin');
 
 header('Content-Type: application/json');
-$conn = new mysqli("localhost", "root", "", "webgis");
+require_once '../../../config.php';
+$conn = getDB();
 
 $id = (int) $_GET['id'];
 $stmt = $conn->prepare("SELECT id, nama, username, role FROM users WHERE id = ?");