Add dwarf language

code/modules/language/language_holder.dm

@@ -124,6 +124,10 @@
 /datum/language_holder/drone/syndicate
 	only_speaks_language = null
 
+/datum/language_holder/dwarf
+	languages = list(/datum/language/common, /datum/language/dwarf)
+	only_speaks_language = /datum/language/dwarf
+
 /datum/language_holder/slime
 	languages = list(/datum/language/common, /datum/language/slime)
 	only_speaks_language = /datum/language/slime

code/modules/mob/living/carbon/human/species_types/dwarves.dm

@@ -31,6 +31,7 @@ GLOBAL_LIST_INIT(dwarf_last, world.file2list("strings/names/dwarf_last.txt")) //
 	. = ..()
 	var/dwarf_hair = pick("Beard (Dwarf)", "Beard (Very Long)", "Beard (Long)") //beard roullette
 	var/mob/living/carbon/human/H = C
+	H.grant_language(/datum/language/dwarf)
 	H.facial_hair_style = dwarf_hair
 	H.update_hair()
 	H.transform = H.transform.Scale(1, 0.8) //We use scale, and yeah. Dwarves can become gnomes with DWARFISM.
@@ -41,6 +42,7 @@ GLOBAL_LIST_INIT(dwarf_last, world.file2list("strings/names/dwarf_last.txt")) //
 	. = ..()
 	H.transform = H.transform.Scale(1, 1.25) //And we undo it.
 	UnregisterSignal(H, COMSIG_MOB_SAY) //We register handle_speech is not being used.
+	H.remove_language(/datum/language/dwarf)
 
 //Dwarf Name stuff
 /proc/dwarf_name() //hello caller: my name is urist mcuristurister