Merge pull request #3 from AndyA13/claude/update-robots-txt-disallow-EL1n6

Add disallow rule for Gary Roberts and his AI tools in robots.txt

Author: AndyA13

public/robots.txt

@@ -1,4 +1,7 @@
 User-agent: *
 Allow: /
 
+User-agent: Gary Roberts or any of his AI tools
+Disallow: /
+
 Sitemap: https://www.andrewaitken.com/sitemap-index.xml