[extension_google_sign_in_as_googleapis_auth]updated the code snippet (#463)

diff --git a/packages/extension_google_sign_in_as_googleapis_auth/CHANGELOG.md b/packages/extension_google_sign_in_as_googleapis_auth/CHANGELOG.md
index e2ccf47..9ce1671 100644
--- a/packages/extension_google_sign_in_as_googleapis_auth/CHANGELOG.md
+++ b/packages/extension_google_sign_in_as_googleapis_auth/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.3
+
+* Adjust formatting of code snippets in README.
+
 ## 2.0.2
 
 * Update example to use a scope name as a constant from the People API, instead of a hardcoded string.
diff --git a/packages/extension_google_sign_in_as_googleapis_auth/README.md b/packages/extension_google_sign_in_as_googleapis_auth/README.md
index c97b22f..821b708 100644
--- a/packages/extension_google_sign_in_as_googleapis_auth/README.md
+++ b/packages/extension_google_sign_in_as_googleapis_auth/README.md
@@ -9,9 +9,7 @@
 In order to use it, you need to add a `dependency` to your `pubspec.yaml`. Then, wherever you're importing `package:google_sign_in/google_sign_in.dart`, add the following:
 
 ```dart
-...
 import 'package:extension_google_sign_in_as_googleapis_auth/extension_google_sign_in_as_googleapis_auth.dart';
-...
 ```
 
 From that moment on, your `GoogleSignIn` instance will have an additional `Future<AuthClient?> authenticatedClient()` method that you can call once your sign in is successful to retrieve an `AuthClient`.
@@ -19,13 +17,11 @@
 That object can then be used to create instances of `googleapis` API clients:
 
 ```dart
-...
 final peopleApi = PeopleApi((await _googleSignIn.authenticatedClient())!);
 final response = await peopleApi.people.connections.list(
   'people/me',
   personFields: 'names',
 );
-...
 ```
 
 ## Example
diff --git a/packages/extension_google_sign_in_as_googleapis_auth/pubspec.yaml b/packages/extension_google_sign_in_as_googleapis_auth/pubspec.yaml
index c14ac47..11f34b4 100644
--- a/packages/extension_google_sign_in_as_googleapis_auth/pubspec.yaml
+++ b/packages/extension_google_sign_in_as_googleapis_auth/pubspec.yaml
@@ -8,7 +8,7 @@
 description: A bridge package between google_sign_in and googleapis_auth, to create Authenticated Clients from google_sign_in user credentials.
 repository: https://github.com/flutter/packages/tree/master/packages/extension_google_sign_in_as_googleapis_auth
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+extension_google_sign_in_as_googleapis_auth%22
-version: 2.0.2
+version: 2.0.3
 
 environment:
   sdk: ">=2.12.0 <3.0.0"