update

type Command struct {
	Cache        *cmd.CacheConfig       `embed:"" prefix:"cache-"`
	Concurrency  *cmd.ConcurrencyConfig `embed:""`
	HTTP         *cmd.HTTPConfig        `embed:"" prefix:"http-"`
	Plex         *cmd.PlexConfig        `embed:"" prefix:"plex-"`
	Posters      *cmd.PostersAPIConfig  `embed:""`
	Force        bool                   `help:"Force updates to Plex even if the poster hasn't changed."`
	SinceDaysAgo uint                   `help:"Limit to movies there were added to Plex within the specified number of days."`
}