docs: add simui (#1339)

Author: jdegand

README.md

@@ -1999,6 +1999,7 @@ for the creation of web applications developed with Angular.
 * [FlyonUI](https://github.com/themeselection/flyonui) - [Integrate](https://flyonui.com/framework-integrations/angular/) FlyonUI with Angular and Tailwind CSS to create a modern, responsive UI, streamlining your development process efficiently.
 * [zapui](https://github.com/zapuilib/zapui) - Build sleek, scalable, and cohesive Angular applications effortlessly with a Tailwind-powered design system from [zap:ui](https://zapui.togethercreative.co.uk/).
 * [angular-tailwind-ui](https://github.com/quedicesebas/angular-tailwind-ui) - Easy to use and simple components, directives and services. Using Angular 19 and Tailwind CSS 3.
+* [simui](https://github.com/dofu-lab/simui) - Beautiful Angular UI components built with Tailwind CSS and Spartan.
 
 ##### Node Based