Add score info to MangaUpdates search results (#3795)

Also added author info for `id:` prefix search results since those hit
the single-series endpoint instead of `/search`, which does not
include author information (I wish it did).

Maybe unintuitive but the info is nice to have when available.

app/src/main/java/eu/kanade/tachiyomi/data/track/mangaupdates/dto/MUAuthor.kt

@@ -0,0 +1,9 @@
+package eu.kanade.tachiyomi.data.track.mangaupdates.dto
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class MUAuthor(
+    val name: String,
+    val type: String,
+)

app/src/main/java/eu/kanade/tachiyomi/data/track/mangaupdates/dto/MURecord.kt

@@ -21,6 +21,7 @@ data class MURecord(
     val ratingVotes: Int? = null,
     @SerialName("latest_chapter")
     val latestChapter: Int? = null,
+    val authors: List<MUAuthor> = emptyList(),
 )
 
 fun MURecord.toTrackSearch(id: Long): TrackSearch {
@@ -34,5 +35,8 @@ fun MURecord.toTrackSearch(id: Long): TrackSearch {
         publishing_status = ""
         publishing_type = this@toTrackSearch.type.toString()
         start_date = this@toTrackSearch.year.toString()
+        score = this@toTrackSearch.bayesianRating?.takeIf { it > 0 } ?: -1.0
+        authors = this@toTrackSearch.authors.filter { it.type == "Author" }.map { it.name }
+        artists = this@toTrackSearch.authors.filter { it.type == "Artist" }.map { it.name }
     }
 }