Added the baseline for the Coach Mode feature

- Added the command '/details coach' to  enabled coach mode, need to be raid leader and all members must have details up to date.
- Fixed Tiny Threat not showing threat.
- Fixed annoucement interrupt toggle enable was reseting on logon.
- Added container_spells:GetOrCreateSpell(id, shouldCreate, token)
- Added Details:GetRaidLeader(), return the RL name.
- Framework update.

core/gears.lua

@@ -1758,6 +1758,8 @@ function Details.Database.StoreEncounter(combat)
 		local mybest2 = mybest[1] or 0
 		local myBestDps = mybest2 / onencounter.elapsed
 
+		--[12:18:37] Details!: error occurred on Details.Database.StoreEncounter(): Interface\AddOns\Details\core\gears.lua:1758: attempt to index local 'mybest' (a nil value)
+
 		if (mybest) then
 			local d_one = 0
 			if (myrole == "DAMAGER" or myrole == "TANK") then