No config needed, just enable it and it is ready to go.
How does it work?
When you enter a relevant Zone it checks if that is a Raidzone and enables the log. If it is a Zone that a world boss spawns it waits till you target it to enable the log.
When you leave the Zone the logging stops.
Localization
Should work with English,German and Russian clients. If you want to localize it you can take a look at Localization.lua
Russian Translation by Horgul-Gordunni
Config
If you need to change Zones or Mobs for whatever reason, all that would be located in Config.lua