Fix GitHub username in README and site footer links

Made-with: Cursor

Author: chetanddesai

README.md

@@ -2,7 +2,7 @@
 
 A visual identification guide to the butterflies of San Diego County, California.
 
-**[View the guide](https://cdesai.github.io/sd-lepidoptera/)**
+**[View the guide](https://chetanddesai.github.io/sd-lepidoptera/)**
 
 ## About
 

index.html

@@ -80,7 +80,7 @@ <h3>Source & Citation</h3>
         <p>Original checklist revised 9/2002. Identification descriptions added for this guide.</p>
         <p class="footer-copy">
           Built as an open educational resource.
-          <a href="https://github.com/cdesai/sd-lepidoptera" target="_blank" rel="noopener">View on GitHub</a>
+          <a href="https://github.com/chetanddesai/sd-lepidoptera" target="_blank" rel="noopener">View on GitHub</a>
         </p>
       </div>
     </div>