Add Muru mythic points

Author: Nyeriah

data/sql/db-world/zone_difficulty_mythicmode_instance_data.sql

@@ -64,6 +64,7 @@ INSERT INTO `zone_difficulty_mythicmode_instance_data` (`MapID`, `SourceEntry`,
 -- SWP
 (580, 24882, 0, 19), -- Brutallus
 (580, 25038, 0, 19), -- Felmyst
+(580, 25741, 0, 19), -- Muru
 -- TBC 5man Heroics
 (269, 17881, 0, 8),    -- Aeonus, The Black Morass
 (540, 16808, 0, 8),    -- Warchief Kargath Bladefist, Shattered Halls