Added market and fields parameter for PlaylistGetRequest

SpotifyAPI.Web/Models/Request/PlaylistGetRequest.cs

@@ -10,8 +10,35 @@ namespace SpotifyAPI.Web
       Ensure.ArgumentNotNull(types, nameof(types));
 
       AdditionalTypesParam = types;
+      Fields = new List<string>();
     }
 
+    /// <summary>
+    /// Filters for the query: a comma-separated list of the fields to return.
+    /// If omitted, all fields are returned. For example, to get just the playlist’s description and URI: fields=description,uri.
+    /// A dot separator can be used to specify non-reoccurring fields,
+    /// while parentheses can be used to specify reoccurring fields within objects.
+    /// For example, to get just the added date and user ID of the adder:
+    /// fields=tracks.items(added_at,added_by.id). Use multiple parentheses to drill down into nested objects, for example:
+    /// fields=tracks.items(track(name,href,album(name,href))).
+    /// Fields can be excluded by prefixing them with an exclamation mark, for example:
+    /// fields=tracks.items(track(name,href,album(!name,href)))
+    /// </summary>
+    /// <value></value>
+    [QueryParam("fields")]
+    public IList<string> Fields { get; }
+
+    /// <summary>
+    /// An ISO 3166-1 alpha-2 country code or the string from_token.
+    /// Provide this parameter if you want to apply Track Relinking.
+    /// For episodes, if a valid user access token is specified in the request header,
+    /// the country associated with the user account will take priority over this parameter.
+    /// Note: If neither market or user country are provided, the episode is considered unavailable for the client.
+    /// </summary>
+    /// <value></value>
+    [QueryParam("market")]
+    public string? Market { get; }
+
     /// <summary>
     ///   This is set to `"track", "episode"` by default.
     /// </summary>