Added Materio MUI React NextJS Admin Template

Author: abhidave001

readme.md

@@ -839,6 +839,7 @@
 | [Choc UI](https://choc-ui.com/)| Choc UI is a set of accessible and reusable components that are commonly used in web applications. |
 | [Elementz](https://elementz.style/)| A React Component library for buliding modern applications easily & quickly. |
 | [Radix UI](https://www.radix-ui.com/)| Unstyled, accessible components for building high‑quality design systems and web apps in React |
+| [Materio MUI React NextJS Admin Template](https://github.com/themeselection/materio-mui-react-nextjs-admin-template-free)| Most Powerful & Comprehensive Open-source MUI React NextJS Admin Dashboard Template built for developers. |
 
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