v1.0.0

Major release of version as used during GROS research. Package is also available on npm.

Added

• Navbar: Canonical URL can be provided in base_url configuration as
  a fallback in case the language_page is relative, which is then used
  instead of the current location as base.

Changed

• Test on Node.js 20 and 22, no longer on 16 and 18.