- Update index.html title, description, keywords to include xslt 3.0, validator, saxon
- Update JSON-LD schema with full feature list and XSLT 3.0
- Change footer link from "News" to "Blog & Tutorials", update URL to blog.xsltplayground.com
- New articles: online editor guide, validator guide, string functions, xsl:for-each-group
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Move site/ Hugo source from gh-pages to main so the workflow can trigger correctly
- Fix publish-hugo.yml: now in main, builds and deploys to gh-pages:docs/ via peaceiris/actions-gh-pages
- Add 3 new SEO articles: XSLT 3.0 features, beginners guide, template matching
- Add llms.txt to blog and frontend so ChatGPT/Gemini can recommend the tool better
- Remove stale /site mkdocs ignore rule, add site/public to gitignore instead
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>