feat: Implement folder for artist

lib/funkblubber.dart

@@ -26,7 +26,15 @@ Future<void> _downloadArtist(
   final FunkObject object,
   final String path,
 ) async {
-  final response = await Dio().get(
+  Response response = await Dio().get(
+    'https://${object.domain}/api/v1/artists/${object.id}/?'
+    'refresh=false',
+  );
+
+  final String pathAppend = response.data['name'];
+  await Directory('$path/$pathAppend').create();
+
+  response = await Dio().get(
     'https://${object.domain}/api/v1/albums/?'
     'artist=${object.id}&ordering=creation_date&'
     'page=1&page_size=16&scope=all',
@@ -39,7 +47,7 @@ Future<void> _downloadArtist(
         id: albumResponse['id'].toString(),
         kind: FunkEntity.album,
       ),
-      path,
+      '$path/$pathAppend',
     );
   }
 }
@@ -55,7 +63,7 @@ Future<void> _downloadAlbum(
   );
 
   final String pathAppend = response.data['results'][0]['album']['title'];
-  await Directory(pathAppend).create();
+  await Directory('$path/$pathAppend').create();
 
   for (final songResponse in response.data['results']) {
     final String songTitle = songResponse['title'];