Added sponsorship info

README.md

@@ -70,3 +70,13 @@ The BetterNavigator.ss template's scope is set to the page that is being viewed,
 ## Bonus: better debugging tools
 
 This module provide quick access to SilverStripe's built in [URL Variable Tools](http://doc.silverstripe.org/framework/en/reference/urlvariabletools) but reading their output isn't much fun. You can peek under SilverStripe's hood much more conveniently using lekoala's [SilverStripe DebugBar](https://github.com/lekoala/silverstripe-debugbar)
+
+## Maintainer contact
+
+[Jono Menz](https://jonomenz.com)
+
+## Sponsorship
+
+If you want to boost morale of the maintainer you're welcome to make a small monthly donation through [**GitHub**](https://github.com/sponsors/jonom), or a one time donation through [**PayPal**](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=Z5HEZREZSKA6A). ❤️ Thank you!
+
+Please also feel free to [get in touch](https://jonomenz.com) if you want to hire the maintainer to develop a new feature, or discuss another opportunity.