docs: add coverage and pub badges to README

Author: felangel

README.md

@@ -2,6 +2,8 @@
 [![Dart Frog Logo][logo_black]][dart_frog_link_light]
 
 [![ci][ci_badge]][ci_link]
+[![coverage][coverage_badge]][ci_link]
+[![pub package][pub_badge]][pub_link]
 [![style: very good analysis][very_good_analysis_badge]][very_good_analysis_link]
 [![License: MIT][license_badge]][license_link]
 [![Powered by Mason](https://img.shields.io/endpoint?url=https%3A%2F%2Ftinyurl.com%2Fmason-badge)](https://github.com/felangel/mason)
@@ -242,13 +244,16 @@ For more information, see the [example][example_link] and our [roadmap][roadmap_
 [dart_installation_link]: https://dart.dev/get-dart
 [ci_badge]: https://github.com/VeryGoodOpenSource/dart_frog/actions/workflows/dart_frog.yaml/badge.svg
 [ci_link]: https://github.com/VeryGoodOpenSource/dart_frog/actions/workflows/dart_frog.yaml
+[coverage_badge]: https://raw.githubusercontent.com/VeryGoodOpenSource/dart_frog/main/packages/dart_frog/coverage_badge.svg
 [dart_frog_link_dark]: https://github.com/verygoodopensource/dart_frog#gh-dark-mode-only
 [dart_frog_link_light]: https://github.com/verygoodopensource/dart_frog#gh-light-mode-only
 [example_link]: https://github.com/VeryGoodOpenSource/dart_frog/tree/main/example
 [license_badge]: https://img.shields.io/badge/license-MIT-blue.svg
 [license_link]: https://opensource.org/licenses/MIT
 [logo_black]: https://raw.githubusercontent.com/VeryGoodOpenSource/dart_frog/main/assets/dart_frog_logo_black.png#gh-light-mode-only
 [logo_white]: https://raw.githubusercontent.com/VeryGoodOpenSource/dart_frog/main/assets/dart_frog_logo_white.png#gh-dark-mode-only
+[pub_badge]: https://img.shields.io/pub/v/dart_frog.svg
+[pub_link]: https://pub.dartlang.org/packages/dart_frog
 [roadmap_link]: https://github.com/VeryGoodOpenSource/dart_frog/blob/main/ROADMAP.md
 [very_good_analysis_badge]: https://img.shields.io/badge/style-very_good_analysis-B22C89.svg
 [very_good_analysis_link]: https://pub.dev/packages/very_good_analysis