Make clippy happy (needless-return, etc.)

See merge request famedly/conduit!23

Sync paths with CI pipeline due to dockerignore

See merge request famedly/conduit!24

update dependencies

See merge request famedly/conduit!32

fix: apply the same appservice sending rules to events coming from federation

See merge request famedly/conduit!31

currently this code is duplicated from database/rooms.rs, when we
refactor server_server.rs we should deduplicate it

fix: don't always query aliases of appservices

See merge request famedly/conduit!29

only do so if the alias matches the regex in the registration file

feat: opentelemetry/jaeger support

See merge request famedly/conduit!28

fix: sending code got stuck sometimes

See merge request famedly/conduit!25

/receipt and transaction ids for federated requests

Closes #11

See merge request famedly/conduit!27

Update ruma

Chore: Add Issue Template

See merge request famedly/conduit!26

Keep track of all prev_events since if we know that an event is a
prev_event it is referenced and does not qualify as a forward extremity.

All state snapshots that are used in the resolve call are state after
snapshots, they have the event inserted.