TF-629 Add list of supported mimeType in Android and iOS

core/lib/data/network/download/downloaded_response.dart

@@ -0,0 +1,12 @@
+import 'package:equatable/equatable.dart';
+import 'package:http_parser/http_parser.dart';
+
+class DownloadedResponse with EquatableMixin {
+  final String filePath;
+  final MediaType? mediaType;
+
+  DownloadedResponse(this.filePath, {this.mediaType});
+
+  @override
+  List<Object?> get props => [filePath, mediaType];
+}