Six new styles, and muted is monochrome in fact

Nine styles now. decimal and blueprint join base, muted and outdoor; blush, orchid, canopy and lagoon follow four Protomaps flavours re-authored on unmap's ramps so their labels clear the contrast floors. muted is true greyscale, water and icons included, and base follows a conventional street palette. Every style ships in light and dark.

• All nine names work everywhere a style name is accepted: the styles endpoint, the SDK, the create page and the registry
• The vocabulary is style and theme: a style is one of the nine structural maps, a theme is a colour treatment applied to one