add Kyu to contributors file

Author: kyuhur2

CONTRIBUTORS.md

@@ -1,6 +1,6 @@
 # List of contributors
 
-- Rodrigo Castellon (rjcaste@stanford.edu)]
+- Rodrigo Castellon (rjcaste@stanford.edu)
 - Akea Pavel (apavel17@stanford.edu)
 - Christopher Vu (cvu1@stanford.edu)
 - Jonathan Tseng (jtseng20@stanford.edu)
@@ -11,3 +11,4 @@
 - Suvan Kumar (kumarsuvan0@gmail.com)
 - Hee Jung Choi (cheejung@stanford.edu)
 - Stef Ren (stefren97@gmail.com)
+- Kyu Hur (kyuhur2@gmail.com)