Add logging of deathgasp last words and suicide stats to the death table (#29953)

* Add logging of deathgasp last words

* Column size -> 255

* comment

* Adds suicide tracking to stats death table

* Commas

* Merge the changes

code/modules/mob/living/living_defines.dm

@@ -75,3 +75,5 @@
 	var/datum/riding/riding_datum
 
 	var/datum/language/selected_default_language
+
+	var/last_words	//used for database logging

code/modules/mob/living/say.dm

@@ -155,6 +155,7 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 			var/message_len = length(message)
 			message = copytext(message, 1, health_diff) + "[message_len > health_diff ? "-.." : "..."]"
 			message = Ellipsis(message, 10, 1)
+			last_words = message
 			message_mode = MODE_WHISPER_CRIT
 			succumbed = TRUE
 	else