Update readme

Author: r8

README.md

@@ -1,39 +1,19 @@
-<!--
-This README describes the package. If you publish this package to pub.dev,
-this README's contents appear on the landing page for your package.
+# shelf_flutter_asset
 
-For information about how to write a good package README, see the guide for
-[writing package pages](https://dart.dev/guides/libraries/writing-package-pages).
+[![pub package](https://img.shields.io/pub/v/shelf_flutter_asset.svg)](https://pub.dev/packages/shelf_flutter_asset)
+[![package publisher](https://img.shields.io/pub/publisher/shelf_flutter_asset.svg)](https://pub.dev/packages/shelf_flutter_asset/publisher)
 
-For general information about developing packages, see the Dart guide for
-[creating packages](https://dart.dev/guides/libraries/create-library-packages)
-and the Flutter guide for
-[developing packages and plugins](https://flutter.dev/developing-packages).
--->
-
-TODO: Put a short description of the package here that helps potential users
-know whether this package might be useful for them.
-
-## Features
-
-TODO: List what your package can do. Maybe include images, gifs, or videos.
-
-## Getting started
-
-TODO: List prerequisites and provide or point to information on how to
-start using the package.
+A shelf handler to serve files from Flutter assets.
 
 ## Usage
 
-TODO: Include short and useful examples for package users. Add longer examples
-to `/example` folder.
-
 ```dart
-const like = 'sample';
-```
+import 'package:shelf/shelf_io.dart' as io;
+import 'package:shelf_flutter_asset/shelf_flutter_asset.dart';
 
-## Additional information
+void main() {
+  var handler = createAssetHandler();
 
-TODO: Tell users more about the package: where to find more information, how to
-contribute to the package, how to file issues, what response they can expect
-from the package authors, and more.
+  io.serve(handler, 'localhost', 8080);
+}
+```