docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -215,6 +215,7 @@ If you can help us with these. Please don't hesitate to open an [pull request](h
     <td align="center"><a href="http://a-mishra.github.io"><img src="https://avatars0.githubusercontent.com/u/10567548?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ashutosh Mishra</b></sub></a><br /><a href="https://github.com/ashutosh1919/masterPortfolio/commits?author=a-mishra" title="Code">💻</a></td>
     <td align="center"><a href="http://tamojit.wixsite.com/mrtamojit"><img src="https://avatars0.githubusercontent.com/u/40804626?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Tamojit</b></sub></a><br /><a href="https://github.com/ashutosh1919/masterPortfolio/commits?author=tamojit-123" title="Documentation">📖</a></td>
     <td align="center"><a href="https://prabin-karki.com.np"><img src="https://avatars.githubusercontent.com/u/43983896?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Prabin Karki</b></sub></a><br /><a href="https://github.com/ashutosh1919/masterPortfolio/commits?author=githubprabin143" title="Code">💻</a></td>
+    <td align="center"><a href="https://praveen.science/"><img src="https://avatars.githubusercontent.com/u/1830380?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Praveen Kumar Purushothaman</b></sub></a><br /><a href="https://github.com/ashutosh1919/masterPortfolio/commits?author=praveenscience" title="Documentation">📖</a></td>
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