docs: more badges

README.md

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 # Majority Judgment Library for Java
 
 [![MIT](https://img.shields.io/github/license/MieuxVoter/majority-judgment-library-java?style=for-the-badge)](./LICENSE)
-[![Build Status](https://img.shields.io/github/actions/workflow/status/MieuxVoter/majority-judgment-library-java/maven.yml?style=for-the-badge)](https://github.com/MieuxVoter/majority-judgment-library-java/actions)
 [![Release](https://img.shields.io/github/v/release/MieuxVoter/majority-judgment-library-java?sort=semver&style=for-the-badge)](https://github.com/MieuxVoter/majority-judgment-library-java/releases)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/MieuxVoter/majority-judgment-library-java/maven.yml?style=for-the-badge)](https://github.com/MieuxVoter/majority-judgment-library-java/actions)
+[![Code Quality](https://img.shields.io/codefactor/grade/github/MieuxVoter/majority-judgment-library-java?style=for-the-badge)](https://www.codefactor.io/repository/github/mieuxvoter/majority-judgment-library-java)
+![LoC](https://img.shields.io/tokei/lines/github/MieuxVoter/majority-judgment-library-java?style=for-the-badge)
 [![Join the Discord chat at https://discord.gg/rAAQG9S](https://img.shields.io/discord/705322981102190593.svg?style=for-the-badge)](https://discord.gg/rAAQG9S)
 
 Test-driven java library to help deliberate (rank proposals) using [Majority Judgment](https://mieuxvoter.fr/index.php/decouvrir/?lang=en).