first commit

lib/services/process_artist.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+String processArtist(String? artist, BuildContext context) {
+  if (artist == null) {
+    return AppLocalizations.of(context)!.unknownArtist;
+  } else {
+    return artist;
+  }
+}