[rs] more minor things

Author: gaya-

cram_external_interfaces/cram_robosherlock/src/robosherlock-ros.lisp

@@ -235,6 +235,8 @@
                :breakfast-cereal)
               (:muesli
                :breakfast-cereal)
+              (:milk
+               :milk)
               (:CupEcoOrange
                :cup)
               (:EdekaRedBowl
@@ -243,6 +245,8 @@
                :bowl)
               (:SoupSpoon
                :spoon)
+              (:spoon
+               :spoon)
               (:IkeaRedCup
                :cup)
               (:bowl