Add public dir to fatfree

Author: joanhey

fatfree-3.8.1/_benchmark/hello_world.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-url="$base/$fw/index.php/hello/index"
+url="$base/$fw/public/index.php/hello/index"

fatfree-3.8.1/index.php renamed to fatfree-3.8.1/public/index.php

@@ -1,6 +1,6 @@
 <?php
 
-require 'vendor/autoload.php';
+require '../vendor/autoload.php';
 
 $f3 = \Base::instance();