ui: add GitHub repo link and links to sibling Lynote spaces

docs: point open-source link to lynote-ai/ai-text-detector; cross-link all spaces

docs: SEO pass - sentence-level positioning, tags, cross-links, GitHub link

Optimize copy and TDK (title/description/keywords)

Optimize copy and TDK (title/description/keywords)

Upload index.html

Add in-page detector with blurred results and Lynote handoff

Add 'text generation' keyword to indexed fields

Add 'text generation' keyword to indexed fields

Add hero CTA link to lynote.ai

Add text-generation and text-analysis tags

Free AI Detector landing page v2 (marketing-page content)

English-only landing page

Static landing page: Lynote AI Text Detector

initial commit