Add IconicFonts (#80)

README.md

@@ -79,6 +79,7 @@ Please read the [contribution guidelines](contributing.md) before contributing
 - [Lucide](https://lucide.dev) - A fork of Feather Icons with more than 500 additional icons.
 - [Flowbite Icons](https://flowbite.com/icons/) - Open-source collection of over 430+ solid and outline icons built for Tailwind CSS and Figma.
 - [Phosphor Icons](https://github.com/phosphor-icons) - Phosphor is a flexible icon family for interfaces, diagrams, presentations — whatever, really.
+- [IconicFonts](https://github.com/iconicFonts/if) - Over **55,000** icons from **43** different sets, available as a single font or separate fonts per set.
 
 ## Map / Countries
 - [StateFace](http://propublica.github.io/stateface/) - All 50 states plus D.C. and a wee continental U.S. map.