* Making the chat server an actor.
- Fixes#2778
- #2787
* Forgot to add handlers folder.
* Some cleanup.
* Forgot to remove a comment.
* Address PR comments.
* Using ToString for enum operations.
* update activitypub-federation crate to 0.4.0
* fixes
* apub compiles!
* everything compiling!
* almost done, federated follow failing
* some test fixes
* use release
* add code back in
* Merge websocket crate into api_common
* Add SendActivity trait so that api crates compile in parallel with lemmy_apub
* Rework websocket code
* fix websocket heartbeat