Merge remote-tracking branch 'origin/master' into federation

Cargo.lock

Dockerfile

README.md

docker-compose.yml

docker/README.md

docker/docker-compose.traefik.yml

src/client_server/backup.rs

src/client_server/message.rs

src/client_server/profile.rs

src/client_server/read_marker.rs

src/client_server/room.rs

src/client_server/sync.rs

src/client_server/to_device.rs

src/client_server/typing.rs

src/database.rs

src/database/key_backups.rs

src/database/rooms.rs

src/database/rooms/edus.rs

src/database/transaction_ids.rs

src/main.rs