Adds a French beret! HONH HONH HONH! (#37457)

This is very similar to the Italian Moustache, but it's a beret. This will be part of a series of language items. Happy to entertain suggestions as to whether it should be a roundstart item or randomly scattered about maint/cargo crate restricted. In the spirit of atomizing PRs, this one will just be for the French Beret.

Ready for merge.

code/modules/mob/living/carbon/say.dm

@@ -13,7 +13,8 @@
 		message = T.TongueSpeech(message)
 	if(wear_mask)
 		message = wear_mask.speechModification(message)
-
+	if(head)
+		message = head.speechModification(message)
 	return message
 
 /mob/living/carbon/can_speak_vocal(message)