Update README.md (#3)

fix license badge link

---

<!-- mesa-description-start -->
Fixed an incorrect license badge link in README.md, updating the URL to
point to the 'onkernel/cli' repository instead of 'onkernel/kernel'.

<sup>_Description generated by Mesa. [Update
settings](https://app.mesa.dev/onkernel/settings/pull-requests)_</sup>
<!-- mesa-description-end -->

Author: masnwilliams

README.md

@@ -3,7 +3,7 @@
 </p>
 
 <p align="center">
-  <img alt="GitHub License" src="https://img.shields.io/github/license/onkernel/kernel">
+  <img alt="GitHub License" src="https://img.shields.io/github/license/onkernel/cli">
   <a href="https://discord.gg/FBrveQRcud"><img src="https://img.shields.io/discord/1342243238748225556?logo=discord&logoColor=white&color=7289DA" alt="Discord"></a>
   <a href="https://x.com/juecd__"><img src="https://img.shields.io/twitter/follow/juecd__" alt="Follow @juecd__"></a>
   <a href="https://x.com/rfgarcia"><img src="https://img.shields.io/twitter/follow/rfgarcia" alt="Follow @rfgarcia"></a>