fix the param

Author: lohanidamodar

example/README.md

@@ -40,9 +40,9 @@ Storage storage = Storage(client);
 late InputFile file;
 
 if(kIsWeb) {
-    file = InputFile(file: MultipartFile.fromFile('./path-to-file/image.jpg', filename: 'image.jpg'));
+    file = InputFile(file: await MultipartFile.fromFile('file', './path-to-file/image.jpg', filename: 'image.jpg'));
 } else {
-    file = InputFile(path: './path-to-file/image.jpg', fileName: 'image.jpg');
+    file = InputFile(path: './path-to-file/image.jpg', filename: 'image.jpg');
 }
 
 storage.createFile(

lib/src/input_file.dart

@@ -3,7 +3,7 @@ import 'package:http/http.dart' show MultipartFile;
 class InputFile {
   final MultipartFile? file;
   final String? path;
-  final String? fileName;
+  final String? filename;
 
-  InputFile({this.file, this.path, this.fileName});
+  InputFile({this.file, this.path, this.filename});
 }