Use relative paths with .md extension for docs/guide/*.md files and
relative paths in README.md to support both GitHub rendering and
VitePress website (which has base: '/docs/'). Fixes#36
- Support both local and remote server deployment
- Add direct public IP access option for remote servers
- Remove tunnel requirement messaging
- Organize remote access options with details sections
- Initialize VitePress documentation site with config, index, and guides
- Add guides for quick-start, installation, PWA, how-it-works, FAQ, and why HAPI
- Update .gitignore to exclude VitePress cache directory
- Update logo.svg with actual icon from web/public/icon.svg
- Simplify README.md with link to full installation guide
- Remove redundant WHY_NOT_HAPPY.md (content migrated to why-hapi guide)