[ ] Add a #general topic for every group that everyone gets added to - a default, default topic for every group. They can of course remove this default topic https://github.com/Hylozoic/hylo-node/issues/874
[ ] Nice to have: While we're at it allow for longer titles too (?) since we will already be styling and testing posts without titles. Let's bump up to 80 characters https://github.com/Hylozoic/hylo-evo/issues/1299
https://www.figma.com/file/ScahK1CtEDyNbJ5jMM1eg3/Topic-Based-Chat?node-id=0%3A1