Update README.md

Author: Iro96

README.md

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 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 ![PR: Welcome](https://img.shields.io/badge/PR-Welcome-orange.svg)
 ![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-red.svg)
+![Author: Iro96 - ndhquan](https://img.shields.io/badge/Author-Iro96-yellow.svg)
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 Catplotlib is a lightweight, header-first C++ plotting library that renders to SVG. It provides a tiny, familiar API reminiscent of matplotlib for quick plots directly from C++ without external runtime dependencies.
 
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 [MIT](https://github.com/Iro96/catplotlib/blob/main/LICENSE)
 
 
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