fix: Update URLs to be relative and use current Vercel domain

docs: Enable Giscus comments and add site features documentation

feat: Configure Giscus comments with repo credentials

feat: Add community engagement and functionality plugins

feat: Add SEO plugins, llms.txt, and meta descriptions

docs: Add agents and skills submodule documentation

docs: Add comprehensive AI tools, local development, and resources documentation

fix: Update theme, remove signup form, fix GitHub URLs and add plugins

feat: add MkDocs documentation site with custom Material theme

Initial commit