- Introduce the `create_history_url` macro in Tera to generate URLs.
- Add TOML configuration for specifying remote repository details.
- Integrate the new feature in the page meta for displaying a link to view changes.
- Introduce `toc_ignore_pattern` to ignore specific headers based on regex.
- Allow custom ToC placement with shortcode or "<!-- toc -->" marker.
- Increase max depth for ToC to 4.
- Update Documentation for the above features.
- Move ToC generation to a macro file.
Used as fallback when JS is disabled and `theme_switcher` is enabled.
If `default_theme` is unset, it defaults to "light".
Used as single theme when `theme_switcher` is disabled.
