* Create WEB-COOKIE-GUIDE.md for Web Cookie providers
Added a comprehensive guide for using Web Cookie providers with OmniRoute, including setup instructions, credential formats, limitations, and troubleshooting tips.
* Fix formatting in WEB-COOKIE-GUIDE.md
* Add Web Cookie Providers section to providers guide
Added section for Web Cookie Providers with a reference to the WEB-COOKIE-GUIDE.md.
* Enhance CLAUDE_WEB.md with user guidance
Added introductory information and guidance for new users of the Claude Web provider.
