prep for publishing 1.3.1 (#52)

prep for publishing 1.3.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a701d5..edd3a11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
-## 1.3.1-dev
+## 1.3.1
+
+* Switch to using `package:lints`.
+* Populate the pubspec `repository` field.
 
 ## 1.3.0
 
diff --git a/README.md b/README.md
index 9ec19ba..212c48e 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,21 @@
-# Helper libraries for working with typed data lists.
+[![Dart CI](https://github.com/dart-lang/typed_data/actions/workflows/test-package.yml/badge.svg)](https://github.com/dart-lang/typed_data/actions/workflows/test-package.yml)
+[![pub package](https://img.shields.io/pub/v/typed_data.svg)](https://pub.dev/packages/typed_data)
+[![package publisher](https://img.shields.io/pub/publisher/typed_data.svg)](https://pub.dev/packages/typed_data/publisher)
+
+Helper libraries for working with typed data lists.
 
 The `typed_data` package contains utility functions and classes that makes working with typed data lists easier.
 
 ## Using
 
-The `typed_data` package can be imported as
+The `typed_data` package can be imported using:
 
 ```dart
 import 'package:typed_data/typed_data.dart';
 ```
 
-## Typed buffers: Growable typed data lists
+## Typed buffers
 
-Typed buffers are contains growable lists backed by typed arrays.
-These are similar to the growable lists returned by `List()`, 
-but stores typed data like a typed data list.
-
-## Features and bugs
-
-Please file feature requests and bugs at the [issue tracker][tracker].
-
-[tracker]: https://github.com/dart-lang/typed_data/issues
+Typed buffers are growable lists backed by typed arrays. These are similar to
+the growable lists created by `<int>[]` or `<double>[]`, but store typed data
+like a typed data list.
diff --git a/pubspec.yaml b/pubspec.yaml
index 125bd06..705ec6d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: typed_data
-version: 1.3.1-dev
+version: 1.3.1
 description: >-
   Utility functions and classes related to the dart:typed_data library.
 repository: https://github.com/dart-lang/typed_data