docs: add tabs banner gif

Author: akhileshthite

README.md

@@ -10,7 +10,7 @@
     <img src="https://img.shields.io/github/release-date-pre/p2plabsxyz/peersky-browser?color=green" alt="GitHub Pre-release" />
     <!-- <img src="https://img.shields.io/github/v/release/p2plabsxyz/peersky-browser?color=green" alt="GitHub Release"> -->
     <img src="https://img.shields.io/mastodon/follow/113323887574214930" alt="Mastodon Follow">
-    <img src="./banner.png" alt="Peersky, displaying multiple overlapping windows. The foreground window shows a search bar with DuckDuckGo, while the background contains a Wikipedia page on ipns:// about Earth and a private hyper:// chat. The central window features a scenic forest image with sunlight filtering through tall trees, and a clock">
+    <img src="./banner.gif" width="639" alt="Peersky, displaying multiple overlapping windows. The foreground window shows a search bar with DuckDuckGo, while the background contains a Wikipedia page on ipns:// about Earth and a private hyper:// chat. The central window features a scenic forest image with sunlight filtering through tall trees, and a clock">
 </div>
 
 💻 [Download](https://peersky.p2plabs.xyz/)