Test docs against Lynx, also make docs print-friendly.

Fix mononoki italic font-face declarations

Use thinner weight for version number

Use Encode Sans variable axes from Google Fonts. Also specified code blocks and images to be grayscale in print mode.

Use Next.js router links instead of the ordinary `<a>` tags.

Parse descriptions as Markdown. Also improve loading of current theme.

Remove awkward space when no default value is specified in the prop definition.

Include web fonts in loading.

Add compatibility for a smoother transition of themes.

Set colors for dark and light theme.

Use rel attributes to specify currently selected theme.

Add syntax highlighting + improved props table.

Return basePath, use public URL for CSS.

Test some stuff...

Use base path for domain.

Prepare requirements for Next to build the documentation.

Make sidebar toggleable on mobile.

Make docs use the latest (bleeding edge) of the components by importing them directly.

Display prop table in each component's props section

Peer dependency required for components with icons.

Use src/ for react-common source

TODO: put other package-related files in packages/react-common/

Implement Next.js MDX

Separate the docs from the code and tests.