Edit README.md

Author: Sungjin Han

README.md

@@ -13,11 +13,21 @@ Add dependencies to the `pubspec.yaml` file:
 ```yaml
 dependencies:
   telegram:
-    git: https://github.com/meinside/telegram-bot-dart
+    git: https://github.com/meinside/telegram-bot-dart.git
 ```
 
 ## usage
 
+```dart
+// in your source file,
+
+import 'package:telegram/telegram.dart';
+
+// ...
+```
+
+## samples/examples
+
 See the files in [./example/](https://github.com/meinside/telegram-bot-dart/tree/master/example).
 
 ## LICENSE

lib/telegram.dart

@@ -2,16 +2,16 @@
 
 library telegram;
 
-import 'src/types.dart';
-import 'src/http.dart';
-
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:convert/convert.dart';
 import 'package:crypto/crypto.dart' as crypto;
 import 'package:intl/intl.dart';
 
+import 'src/types.dart';
+import 'src/http.dart';
+
 export 'src/types.dart';
 export 'src/http.dart';