cf_custom_page

feat: dynamically fetch real IP and location via geojs for CF preview and local testing

fix: change challenge tokens to CAPTCHA_BOX for managed and non-interactive challenges to pass Cloudflare validation

docs: add cloudflare custom page designer agent skill

feat: add 4 new challenge pages (interactive, non-interactive, managed, ip challenge) with unique themes

fix: add mandatory cloudflare tokens to bypass validation errors