feat: cinematic website overhaul with GSAP, mouse interactions, and premium design

improvement

updates youtube reference

feat: strengthen shift-left messaging in timeline section

feat: replace outdated videos with 'A Day with DocBrain' timeline

feat: add Quality Rules showcase section to website

fix: rebuild docs site with working icon cards

feat: add Connector SDK, MCP IDE, and OpenAPI feature cards

feat: add docs site and update all docs links to /docs/

feat: rewrite website with shift-left documentation messaging

fix: make transformation section responsive for mobile

feat: add 3-stage transformation section with animated doc absorption

feat: redesign site to emphasize self-improving knowledge moat

feat: add LLM provider showcase section

updates llm updates