Displays current gamemode in game (toggle)

scene/game_config.lua

@@ -9,6 +9,7 @@ ConfigScene.options = {
 	{"manlock",			"Manual locking",{"Per ruleset","Per gamemode","Harddrop", "Softdrop"}},
 	{"piece_colour", "Piece Colours", {"Per ruleset","Arika"			 ,"TTC"}},
 	{"world_reverse","A Button Rotation", {"Left"				 ,"Auto"		,"Right"}},
+	{"display_gamemode", "Display Gamemode", {"On", "Off"}},
 	{"next_se", "Next Piece SFX", {"On", "Off"}},
 	{"das_last_key", "DAS Switch", {"Default", "Instant"}},
 	{"synchroes_allowed", "Synchroes", {"Per ruleset", "On", "Off"}},