Update README.md

Author: irfaardy

README.md

@@ -1,2 +1,8 @@
 # gatcha
 Gatcha simulation with PHP
+
+example:
+<?php 
+use  Classes\Roulete as Roll;
+ echo Roll::spin(['common ITEM1' => 70,'Rare ITEM 2' => 29.4,'SSR ITEM' => 0.3,'SSR ITEM' => 0.3,]);
+ ?>