[doc] Add new contributor

Pierre BAILLET · Pierre BAILLET · commit 35970b4fc31f · 2018-06-11T17:27:22.000+02:00
diff --git a/README.md b/README.md
@@ -23,3 +23,4 @@ cf examples/ folder.
 - Jorge Aparicio @japaric
 - Markus Westerlind @Marwes
 - Bruce Mitchener @waywardmonkeys
+- Zac Brown @zacbrown
