Update DONATIONS.md

DONATIONS.md

@@ -15,3 +15,5 @@ We would like to thank everyone that contributed to this library. If you find ou
 - **Juan Marcelo Russo** (1$)
 
 - **Walter Schnell** (10$)
+
+- [**Learn on demand Systems**](http://www.learnondemandsystems.com/) (1000$)