README: List all libraries and licenses

Author: andys8

README.md

@@ -26,3 +26,30 @@ import React.Icons.Md (mdCrop)
 element faGithub {}
 element mdCrop { size: "24px", className: "my-class" }
 ```
+
+## Libraries
+
+All icons and a search can be found on the [`react-icons` project website](https://react-icons.github.io/react-icons).
+
+- [Ant Design Icons](https://github.com/ant-design/ant-design-icons) ([MIT](https://opensource.org/licenses/MIT))
+- [Bootstrap Icons](https://github.com/twbs/icons) ([MIT](https://opensource.org/licenses/MIT))
+- [BoxIcons](https://github.com/atisawd/boxicons) ([CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0))
+- [Devicons](https://vorillaz.github.io/devicons) ([MIT](https://opensource.org/licenses/MIT))
+- [Feather](https://feathericons.com) ([MIT](https://github.com/feathericons/feather/blob/master/LICENSE))
+- [Flat Color Icons](https://github.com/icons8/flat-color-icons) ([MIT](https://opensource.org/licenses/MIT))
+- [Font Awesome](https://fontawesome.com) ([CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0))
+- [Game Icons](https://game-icons.net) ([CC BY 3.0](https://creativecommons.org/licenses/by/3.0))
+- [Github Octicons icons](https://octicons.github.com) ([MIT](https://github.com/primer/octicons/blob/master/LICENSE))
+- [Grommet-Icons](https://github.com/grommet/grommet-icons) ([Apache License Version 2.0](http://www.apache.org/licenses))
+- [Heroicons](https://github.com/tailwindlabs/heroicons) ([MIT](https://opensource.org/licenses/MIT))
+- [IcoMoon Free](https://github.com/Keyamoon/IcoMoon-Free) ([CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0))
+- [Ionicons 4](https://ionicons.com) ([MIT](https://github.com/ionic-team/ionicons/blob/master/LICENSE))
+- [Ionicons 5](https://ionicons.com) ([MIT](https://github.com/ionic-team/ionicons/blob/master/LICENSE))
+- [Material Design icons](http://google.github.io/material-design-icons) ([Apache License Version 2.0](https://github.com/google/material-design-icons/blob/master/LICENSE))
+- [Remix Icon](https://github.com/Remix-Design/RemixIcon) ([Apache License Version 2.0](http://www.apache.org/licenses))
+- [Simple Icons](https://simpleicons.org) ([CC0 1.0 Universal](https://creativecommons.org/publicdomain/zero/1.0))
+- [Tabler Icons](https://github.com/tabler/tabler-icons) ([MIT](https://opensource.org/licenses/MIT))
+- [Typicons](http://s-ings.com/typicons) ([CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0))
+- [VS Code Icons](https://github.com/microsoft/vscode-codicons) ([CC BY 4.0](https://creativecommons.org/licenses/by/4.0))
+- [Weather Icons](https://erikflowers.github.io/weather-icons) ([SIL OFL 1.1](http://scripts.sil.org/OFL))
+- [css.gg](https://github.com/astrit/css.gg) ([MIT](https://opensource.org/licenses/MIT))