chore: update-banners

Author: riteshshukla04

README.md

@@ -1,5 +1,10 @@
+
 <a href="https://margelo.com">
-  <img src="./img/banner.svg" width="100%" />
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="./img/bg-dark.png" />
+    <source media="(prefers-color-scheme: light)" srcset="./img/bg-light.png" />
+    <img alt="Nitro Modules" src="./img/bg-light.png" />
+  </picture>
 </a>
 
 <div align="center">