I introduce to you: world pairing

What is world pairing?
World pairing allows you to pair the chats of the worlds together. A new file has been added to the PerWorldServer folder called world-pairs.yml. In this file, there will be a list of the worlds, kinda like this:
For example, if you want to pair the world, world, with the world, world_nether, you would format your config like this:
That's it! Not to hard now, is it?

Thanks for reading!