v0.9.1

Changelog

• c61963c feat(webui): redesign detail-view heroes with in-hero selection, editing, and playlist visibility (#52)
• 32f1cfa feat: add MusicBrainz release types as an editable, filterable album field (#57)
• f6f17e4 feat: garbage-collect orphaned cover art and clear song selection on Escape (#55)
• 7a45dfc feat: show live scan progress in the tasks admin UI (#54)
• cd4901c refactor(artist): replace the scheduled image task with an on-demand image service (#56)
• 7e4fa8e refactor: adopt go-bumbu/http v0.6.0, deleting internal/upstream + httperr (#53)