add markdown badges to the readme
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 797ea91..c4120a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 3.0.3-dev
+
+
## 3.0.2
* Fix bug in `CodePage` class. See issue [#47](https://github.com/dart-lang/convert/issues/47).
diff --git a/README.md b/README.md
index 9a832fd..47392cb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,15 @@
-# Conversion utilities package
+[![Dart CI](https://github.com/dart-lang/convert/actions/workflows/test-package.yml/badge.svg)](https://github.com/dart-lang/convert/actions/workflows/test-package.yml)
+[![pub package](https://img.shields.io/pub/v/convert.svg)](https://pub.dev/packages/convert)
+[![package publisher](https://img.shields.io/pub/publisher/convert.svg)](https://pub.dev/packages/convert/publisher)
+
+Utilities for converting between data representations.
+
+## Conversion utilities package
This package contains encoders and decoders for converting between different
data representations. It's the external counterpart of the `dart:convert` core
library, and contains less-central APIs and APIs that need more flexible
versioning.
+
+See also
+[api.dart.dev/dart-convert](https://api.dart.dev/stable/dart-convert/dart-convert-library.html).
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 85d6c12..162fc08 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,4 +1,5 @@
include: package:lints/recommended.yaml
+
analyzer:
strong-mode:
implicit-casts: false
diff --git a/pubspec.yaml b/pubspec.yaml
index ad683ae..d3997a7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
name: convert
-version: 3.0.2
+version: 3.0.3-dev
description: >-
Utilities for converting between data representations.
Provides a number of Sink, Codec, Decoder, and Encoder types.