Add Aaron Brown (@aaronvbrown) to contributors list

ACKNOWLEDGEMENTS.md

diff --git a/ACKNOWLEDGEMENTS.md b/ACKNOWLEDGEMENTS.md
index 406f5ff..15c6971 100644
--- a/ACKNOWLEDGEMENTS.md
+++ b/ACKNOWLEDGEMENTS.md
@@ -88,6 +88,7 @@
 - Brian Peiris (@brianpeiris)
 - Tim Graham (@timgraham)
 - Josh Soref (@jsoref)
+- Aaron Brown (@aaronvbrown)
 
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