doc(backers): thank you Lisa for your generous gift!

BACKERS.md

@@ -132,6 +132,7 @@ Below you'll find a list of the wonderful people and organizations that have mad
 * [J. Austin Hughey](https://opencollective.com/j-austin-hughey)
 * [Jason Sobell](https://opencollective.com/jason-sobell)
 * [John Kattestaart](https://twitter.com/Jkattestaart)
+* [Lisa Gumerman](https://opencollective.com/lisa-gumerman)
 * [Miroslav Popovic](https://miroslavpopovic.com)
 * [Radenko Zec](https://opencollective.com/radenkozec)
 * [Ranorex](https://www.ranorex.com/)