Added artist bio and art stuff

src/provider.rs

@@ -50,6 +50,24 @@ pub struct RecordingDetails {
     pub secondary_artists: Vec<(String, String)>,
 }
 
+/// Detailed artist info from a direct MBID lookup.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ArtistInfo {
+    pub name: String,
+    pub disambiguation: Option<String>,
+    pub country: Option<String>,
+    pub artist_type: Option<String>,
+    pub begin_year: Option<String>,
+    pub urls: Vec<ArtistUrl>,
+}
+
+/// An external URL linked to an artist on MusicBrainz.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ArtistUrl {
+    pub url: String,
+    pub link_type: String,
+}
+
 /// An artist match from a search query.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ArtistSearchResult {