* extract remaining nfo xml serializers
* add artist nfo tests
* add music video nfo tests
* add tv show nfo reader tests
* custom artist nfo reader
* custom music video nfo reader
* custom tv show nfo reader
* local metadata parsing cleanup
* update changelog
* add actor metadata
* show actors in ui
* get full movie/show metadata from plex
* store actor thumbnail url
* rework movie detail page
* metadata fixes
* rework show detail page
* rework artist page
* code cleanup