refactor: downloader, realdebrid, state transitions, symlink module (exponential backoff)
chore: add run_at attr to event types to specify next run time and include event with futures
fix: get all content from content services (previously only one item was picked)
fix: trakt indexer not picking up shows
chore: stop spamming retry count in logs
chore: remove whitespaces from modified files
chore: remove unnecessary logging and change some log levels
fix: remove local updater and stop possibility of looping with symlinked state
fix: validate subtitle providers on init, remove addic7ed and napiprojekt providers
feat: "Ongoing" and "Unreleased" states for shows
fix: event updates for frontend
fix: trakt indexing was not copying correct item attributes in previous release