run cargo fmt

fix: refactor submit_listens to use thread for asynchronous processing and improve error handling

feat: enhance pull_data function to include backup download and sync all entities

fix: improve artist matching logic in scrobble functions to prevent mismatches

fix: add artist mismatch check in scrobble_listenbrainz function

feat: remove unused owo_colors dependency from submission and scrobbler modules

fix: refactor run function and improve track change detection logic

feat: add ArtistListeners component and integrate with Artist page

feat: display user avatar at the bottom of each scrobble

feat: update Discord embed description format to include scrobble URL

feat: enhance Discord embed with user avatar and author details

fix: update Discord webhook integration to use non-optional IDs and improve embed generation