metrics: Prefer public family name to internal `familyName` metrics

Ensure metrics are available using the public family name as seen on Google Fonts as opposed to the internal family name metric. This makes sense as consumers are looking to import the metrics relevant to a specific system font or from Google Fonts (also aligns with the names Google use in their font declarations generated in the hosted stylesheets).

BREAKING CHANGES:

Google Fonts

Previously, the metrics were imported with a path that used the internal family name, now they align with the font as seen on Google Fonts.

-import metrics from '@capsizecss/metrics/roundedMplus1c';
+import metrics from '@capsizecss/metrics/mPLUSRounded1c';

With only a small number of Google Fonts affected, this is only a break for the following fonts:

Ballet
Bodoni Moda
Buda
Bungee Spice
Fjord One
Geologica
Imbue
M PLUS Rounded 1c
Material Symbols Outlined
Material Symbols Rounded
Material Symbols Sharp
Montagu Slab
Nanum Pen Script
Newsreader
Nunito Sans
Pathway Extreme
Sono
Sunflower
Supermercado One
Texturina

System fonts

The system fonts only had one example where the names diverged:

-import metrics from '@capsizecss/metrics/brushScriptMT';
+import metrics from '@capsizecss/metrics/brushScript';

This now aligns with the name consumers use to reference the font on their system.

Closes https://github.com/seek-oss/capsize/issues/189

seek-oss / capsize