Backfilling privilege does not imply right to post messages

While backfilling, message ids must now be valid snowflakes, cannot be in the future, and cannot overwrite existing messages

Merge branch 'master' of https://github.com/fosscord/fosscord-server

backfilling — first steps

Fix not assigning new changes to input fields in users/@me

Can no longer send messages to channel types that do not support it ( categories, voice etc )

Fixed ability for user to edit any property of themselves, including `rights`, `flags`. Note to self: schemas.json is a GENERATED file. `npm run generate:schema` in api/

Use 1 thread on platform where fetching thread/core count fails

general rights enforcement stuff

Merge branch 'master' of https://github.com/fosscord/fosscord-server

get single message && message rights enforcement

Unified ghost instead of separate ghosts

reactions rights enforcement

remove misleading todo note

Update passwordStrength.ts

Fix compile errors in checkPassword's entropy check

Update passwordStrength.ts

add an elegant entropy check

fix MANAGE_GUILDS; rename getRight to getRights

fix invite right enforcement

correct right name

invite right enforced

JOIN_GUILDS

rights enforcement in guild create

MANAGE_GUILDS

remove todos that are implemented

enforce the rights

fix the build mistakes from yesternight

Update index.ts

added the maintenance listing endpoint