[Added] [Map] Celebration Avatar Challenge: Tarew Marr

[benjcallaghan]

This Year of Darkpaw event uses the same map as an old Public Quest. However, that PQ had a built-in map, so I had to copy the image.

<ImageStyle Name="avatar_2024_tarew_marr_raid" displayname="Celebration Avatar Challenge: Tarew Marr [Raid]" zonerect="190, -995, 1117, 374">
<ImageFrame Source="images/maps/map_exp15_dun_tarewmarr_raid.dds" SourceRect="0,0,800,600" />
</ImageStyle>