feat(website): implement public website for PRD v1.0#1

klappy merged 5 commits into

mainklappy/klappy.dev:mainfrom

run/website/prd-v1.0/cursor/a/claude-opus-4/71c6fdc7klappy/klappy.dev:run/website/prd-v1.0/cursor/a/claude-opus-4/71c6fdc7Copy head branch name to clipboard