docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -159,6 +159,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/s403o"><img src="https://avatars.githubusercontent.com/u/38042656?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eslam Adel</b></sub></a><br /><a href="https://github.com/Tikam02/DevOps-Guide/commits?author=s403o" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/mahmoodahmad100"><img src="https://avatars.githubusercontent.com/u/24311652?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mahmood Ahmad</b></sub></a><br /><a href="https://github.com/Tikam02/DevOps-Guide/commits?author=mahmoodahmad100" title="Documentation">📖</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/darostegui"><img src="https://avatars.githubusercontent.com/u/61184284?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Diego Arostegui</b></sub></a><br /><a href="https://github.com/Tikam02/DevOps-Guide/commits?author=darostegui" title="Code">💻</a></td>
+  </tr>
 </table>
 
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