Adds a native Burzsian accent (#15762)

code/modules/background/accent/human.dm

@@ -60,6 +60,13 @@
 	tag_icon = "scarabs"
 	text_tag = "SCA"
 
+/datum/accent/burzsia
+	name = ACCENT_BURZSIA
+	description = "The native Burzsian accent is harsh, guttural, and aggressive. Burzsians refuse to pull any punches with their vocabulary, in accordance with their \
+	dangerous, and at times, adventurous lifestyle."
+	tag_icon = "burzsia"
+	text_tag = "BRZ"
+
 /datum/accent/silversun_original
 	name = ACCENT_SILVERSUN_ORIGINAL
 	description = "The native accent of Silversun is a sing-song take on standard Sol Common that has, since massive investment into the planet by Idris Incorporated, come to be associated with the planet's renowned tourism industry. \

code/modules/background/defines.dm

@@ -107,6 +107,7 @@
 #define ACCENT_ANTILLIA "Port Antillia"
 #define ACCENT_XANU "Xanu"
 #define ACCENT_SANCOLETTE "San Colette"
+#define ACCENT_BURZSIA "Burzsia"
 
 #define ACCENT_REPUBICLANSIIK "Republican Siik'maas"
 #define ACCENT_NAZIRASIIK "Nazira Siik'maas"

code/modules/background/origins/origins/human/coalition.dm

@@ -44,7 +44,7 @@
 /singleton/origin_item/origin/coa_spacer
 	name = "Coalition Offworlders"
 	desc = "The offworlders of the Coalition of Colonies are an odd mix of nomadic or semi-nomadic peoples that do not call any planet home, and instead opt to live in spaceborne fleets. The most notable offworlder group in the Coalition is the Scarabs, though many more are present in the Coalition's borders."
-	possible_accents = list(ACCENT_NCF, ACCENT_SCARAB, ACCENT_COC)
+	possible_accents = list(ACCENT_NCF, ACCENT_SCARAB, ACCENT_COC, ACCENT_BURZSIA)
 	possible_citizenships = CITIZENSHIPS_COALITION
 	possible_religions = list(RELIGION_NONE, RELIGION_CHRISTIANITY, RELIGION_ISLAM, RELIGION_BUDDHISM, RELIGION_HINDU, RELIGION_TAOISM, RELIGION_JUDAISM, RELIGION_OTHER, RELIGION_TRINARY, RELIGION_SCARAB)