moved index to controller file

.htaccess

@@ -1,6 +1,6 @@
 RewriteEngine On
 RewriteCond %{REQUEST_METHOD} ^GET$
-RewriteRule ^people$ index.php
+RewriteRule ^people$ controllers/people.php?action=index
 RewriteCond %{REQUEST_METHOD} ^DELETE$
 RewriteRule ^people/([0-9]+)$ delete.php?id=$1
 RewriteCond %{REQUEST_METHOD} ^POST$

controllers/people.php

@@ -0,0 +1,8 @@
+<?php
+    header('Content-Type: application/json');
+    include __DIR__ . '/../data/people.php';
+
+    if($_REQUEST['action'] === 'index'){
+        echo json_encode($people);
+    }
+?>

data/people.php

@@ -1,5 +1,5 @@
 <?php
-    include 'models/person.php';
+    include __DIR__ . '/../models/person.php';
     $people = array();
 
     $people[] = new Person('joni', 52);

index.php

@@ -1,6 +0,0 @@
-<?php
-    header('Content-Type: application/json');
-    include 'data/people.php';
-
-    echo json_encode($people);
-?>