Rebindable Hotkeys (#12138)

* demodularize interface

* keybindings

* binds

* prefs

* loose ends

* globals

* changes

* s

* datum ref lists

* ok

* fixes

* fixes

* fix

* ok

* sigh

* sigh

* indicators

* let's play the move code around game

* let's play the i didn't comma my lists game

* let's play the indent game

* let's play hte spelling bee

* let's fail the spelling bee

* LET'S PLAY THe HOW HARd  IS  IT TO SPELL A PROC GAME

* let's play the bugfix game

* bugfixes

* improvements

* Update bindings_client.dm

* pixel shift

* A

* wups

code/modules/keybindings/keybind/emote.dm

@@ -0,0 +1,15 @@
+/datum/keybinding/emote
+	category = CATEGORY_EMOTE
+	weight = WEIGHT_EMOTE
+	var/emote_key
+
+/datum/keybinding/emote/proc/link_to_emote(datum/emote/faketype)
+	hotkey_keys = list("Unbound")
+	emote_key = initial(faketype.key)
+	name = initial(faketype.key)
+	full_name = capitalize(initial(faketype.key))
+	description = "Do the emote '*[emote_key]'"
+
+/datum/keybinding/emote/down(client/user)
+	. = ..()
+	return user.mob.emote(emote_key, intentional=TRUE)