feat: add iconify design and react icons

both have many icon sets which are not already on the list
react icons has some icon sets that iconify design does not and vice versa

readme.md

@@ -48,6 +48,8 @@ General purpose icons used everywhere.
 - [Weather icons](https://github.com/erikflowers/weather-icons#readme) - Weather Themed Icons and CSS.
 - Zondicons - A set of free premium SVG icons for you to use on your digital products. ([Website](http://www.zondicons.com))
 - Iconbuddy - A search engine to browse open source svg icons. ([Website](http://iconbuddy.com))
+- [Iconify Deign](https://iconify.design) - Most popular icon sets in one framework containg over 200,000 open source vector icons. ([Website](https://iconify.design))
+- [React Icons](https://react-icons.github.io/react-icons/) - Popular icon sets created especially for React projects. ([Website](https://react-icons.github.io/react-icons/))
 
 ## Logos