fix buy me a coffee

README.md

@@ -19,9 +19,4 @@ feel free to join the discussion there.
 
 ## Buy me a coffee
 
-<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
-<input type="hidden" name="cmd" value="_s-xclick">
-<input type="hidden" name="hosted_button_id" value="BKTM8D5NPJ4XY">
-<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
-<img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1">
-</form>
+If you think this project are awesome, [buy me a coffee !] (https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SX7ZLMXGP3ER8)