Implements opt-out system of periodic tips to be sent to players

code/controllers/subsystems/player_tips.dm

@@ -0,0 +1,16 @@
+/*
+Player tips procs and lists are defined under /code/modules/player_tips_vr
+*/
+SUBSYSTEM_DEF(player_tips)
+	name = "Periodic Player Tips"
+	priority = FIRE_PRIORITY_PLAYERTIPS
+	runlevels = RUNLEVEL_GAME
+
+	wait = 3000 //We check if it's time to send a tip every 5 minutes (300 seconds)
+	var/static/datum/player_tips/player_tips = new
+
+
+
+
+/datum/controller/subsystem/player_tips/fire()
+	player_tips.send_tips()