Update contributors.properties

Author: Vazkii

contributors.properties

@@ -142,3 +142,4 @@ pereiraa16_=#000000,#ff0000,#ffa500
 amymialee=#a55fe6,#973aff,#291b37,#1d1d1d,#291b37,#973aff,#a55fe6
 bananawilta=#5bcefa,#f5abba,#ffffff,#ffffff,#f5abba,#5bcefa
 seppl250=#D60270,#9B4F96,#0038A8
+pancakezombie2=#339CFF,#1EEBE2,#935AE4