Change Pleroma references to Akkoma in README
Server announcements
Looks like it's implemented in fab72940c4
and https://akkoma.dev/AkkomaGang/akkoma/commit/54ed8760ff1d3416115a52c949b0d…
Update README with Akkoma stuff
simplify ID generation
honestly don't think there's much of a bennefit to using a different ID generation algorithm, I've left mine at aid
Fix path to terms-of-service.html