chore(docs): sync readme section

Author: github-actions[bot]

README.md

@@ -238,6 +238,7 @@ If Custom Icons are intended to be used in [React Server Components](#react-serv
 - [SorenHolstHansen/phosphor-leptos](https://github.com/SorenHolstHansen/phosphor-leptos) ▲ Phosphor icon component library for Leptos apps (Rust)
 - [vnphanquang/phosphor-icons-tailwindcss](https://github.com/vnphanquang/phosphor-icons-tailwindcss) ▲ TailwindCSS plugin for Phosphor icons
 - [wireui/phosphoricons](https://github.com/wireui/phosphoricons) ▲ Phosphor icons for Laravel
+- [Kitten](https://kitten.small-web.org/reference/#icons) ▲ Phosphor icons integrated by default in Kitten
 
 If you've made a port of Phosphor and you want to see it here, just open a PR [here](https://github.com/phosphor-icons/homepage)!