Hilarious Chaos Announcements

For context: https://hilariouschaos.com/post/2268

It's done, feel free to start subbing to some external communities, and let's keep the conversation going on which instances we should link to.

Instances only see federated content from external communities that have at least one subscriber on the instance. If you want our content to propagate to a certain instance, then please sign up with them and start subbing to some of our communities - I've been doing this for the larger ones.