Update README.md

Author: jomjol

README.md

@@ -12,6 +12,16 @@ A 3d-printable housing can be found here: https://www.thingiverse.com/thing:4571
 
 
 
+## Donate
+
+If you would like to support the developer with a cup of coffee you can do that via Paypal.
+
+<form action="https://www.paypal.com/donate" method="post" target="_top">
+<input type="hidden" name="hosted_button_id" value="G89CQURP4GRXE" />
+<input type="image" src="https://www.paypalobjects.com/en_US/DK/i/btn/btn_donateCC_LG.gif" border="0" name="submit" title="PayPal - The safer, easier way to pay online!" alt="Donate with PayPal button" />
+<img alt="" border="0" src="https://www.paypal.com/en_DE/i/scr/pixel.gif" width="1" height="1" />
+</form>
+
 
 ## Change log
 
@@ -163,8 +173,3 @@ A 3d-printable housing can be found here: https://www.thingiverse.com/thing:4571
 ## Solved topics
 
 * n.a.
-
-
-## Donate
-
-https://www.paypal.com/donate?hosted_button_id=8TRSVYNYKDSWL