Merge branch 'Nyaaori/code-cleanup' into 'next'

src/api/client_server/account.rs

src/api/client_server/directory.rs

src/api/client_server/membership.rs

src/api/ruma_wrapper/axum.rs

src/api/server_server.rs

src/config/mod.rs

src/database/abstraction/sqlite.rs

src/database/mod.rs

src/main.rs

src/service/admin/mod.rs

src/service/rooms/auth_chain/mod.rs

src/service/rooms/event_handler/mod.rs

src/service/rooms/state_cache/data.rs

src/service/rooms/timeline/mod.rs

src/utils/error.rs