- Cargo.toml: Add toml and serde dependencies
- site.toml: New config with title, author, base_url
- src/config.rs: SiteConfig struct with load() function
- src/error.rs: Add Error::Config for parse errors
- src/main.rs: Load site.toml, thread config and page paths
through generators
- src/templates.rs: Use config.title in nav/titles,
config.author in footer, config.base_url for canonical URLs.
All three config fields verified in generated HTML output.
