Completes major inhand split project (#2178)

code/modules/mob/living/silicon/robot/robot_modules.dm

@@ -4,6 +4,8 @@
 	icon_state = "std_module"
 	w_class = WEIGHT_CLASS_GIGANTIC
 	item_state = "electronic"
+	lefthand_file = 'icons/mob/inhands/misc/devices_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/misc/devices_righthand.dmi'
 	flags = CONDUCT
 
 	var/list/basic_modules = list() //a list of paths, converted to a list of instances on New()