create Popular
fun createPopular(mediaType: TmdbMediaType, watchProviders: TmdbDiscoverFilter<Int>? = null, watchRegion: String? = null, withinYears: Int? = null): TmdbDiscover
withinYears bounds the result to titles released or aired in that many years around today. Popularity alone keeps returning long-tail catalog titles, which rarely suits a "popular now" row.