Add codeclimate badges to readme

README.md

@@ -11,6 +11,7 @@
 [![github actions][github-actions-badge]][github-actions]
 [![typescript][typescript-badge]][typescript]
 [![makepr][makepr-badge]][makepr]
+[![maintainability][codeclimate-badge]][codeclimate]
 
 ## Packages
 
@@ -44,3 +45,5 @@ Please see the [LICENSE](LICENSE) for more information.
 [typescript-badge]: https://img.shields.io/npm/types/astro-seo-schema
 [makepr]: https://makeapullrequest.com
 [makepr-badge]: https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square?style=flat
+[codeclimate]: https://codeclimate.com/github/codiume/orbit/maintainability
+[codeclimate-badge]: https://api.codeclimate.com/v1/badges/d9f004c55ba5a19a8810/maintainability