Update BACKERS.md

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BACKERS.md

@@ -23,12 +23,14 @@ This is a list of all the people who are contributing financially to Panda3D.  I
 
 * Sam Edwards
 * Max Voss
+* Will Nielsen
 
 ## Enthusiasts
 
 ![Benefactors](https://opencollective.com/panda3d/tiers/enthusiast.svg?avatarHeight=48&width=600)
 
 * Eric Thomson
+* Kyle Roach
 
 ## Backers