Fix siler-0.6 code

Add pages/hello.php as something like controller

Author: kenjis

siler-0.6/index.php

@@ -1,9 +1,7 @@
 <?php
 
-require 'vendor/autoload.php';
+require __DIR__.'/vendor/autoload.php';
 
-Siler\Route\get('/hello/index', function () {
-    echo 'Hello World!';
-});
+Siler\Route\get('/hello/index', './pages/hello.php');
 
 require $_SERVER['DOCUMENT_ROOT'].'/php-framework-benchmark/libs/output_data.php';

siler-0.6/pages/hello.php

@@ -0,0 +1,3 @@
+<?php
+
+echo 'Hello World';