docs: update Sponsors section

README.md

@@ -39,7 +39,7 @@ It can grow thanks to the support by these awesome people.
 If you'd like to join them, please read more [here](https://github.com/sponsors/capawesome-team).
 
 <!-- gold-sponsors --><!-- gold-sponsors -->
-<!-- silver-sponsors --><!-- silver-sponsors -->
+<!-- silver-sponsors --><a href="https://github.com/astechsolutionsdev"><img src="https://github.com/astechsolutionsdev.png" alt="astechsolutionsdev" width="75px"></a><!-- silver-sponsors -->
 <!-- bronze-sponsors --><!-- bronze-sponsors -->
 
 <a href="https://github.com/cycraft"><img src="https://github.com/cycraft.png" alt="cycraft" style="max-width: 100%;" width="50px"></a>