Fix minified ESM build.

Only largest millia should remove prefix when group is 001.

Add en-UK locale with same short count as en-US.

Render system selection.

Use values in HTML for default options in conversions.

Make placeholders responsive.

Add namespace for short/long count. Also manage conversion configs and defaults.

There is only a certain string length allowed to convert parsed numbers to bigint.

Add meta viewport for mobile responsiveness.

Ensure exponents are normalized properly.

Provide a basic example page.