Update readme banner

Author: mayank1513

libs/remark-harden-urls/README.md

@@ -8,7 +8,7 @@
 [![NPM License](https://img.shields.io/npm/l/remark-harden-urls)](../../LICENSE)
 
 <p align="center">
-  <img src="./remark-harden-urls.jpg" alt="remark-harden-urls banner: Secure your Markdown links, images, and definitions" />
+  <img src="../../harden-urls.jpg" alt="remark-harden-urls banner: Secure your Markdown links, images, and definitions" />
 </p>
 
 🔒 A **remark plugin to enforce strict security policies on URLs** within Markdown `link`s, `image`s, and `definition`s using the powerful [`harden-urls`](https://github.com/tiny-md/harden-urls/tree/main/libs/harden-urls) library.