Adding styles to project

[ryanvequity]

Hey - just adding coss to a project. Running pnpm dlx shadcn@latest add @coss/colors-neutral provides some of the core items. I noticed however, that it doesn't add add of the --font* variables and it's also different than a couple references I came across in the repo:

https://github.com/cosscom/coss/blob/eca5fddc1055305f5f35df400ecde3aa6ebdf708/apps/ui/content/docs/(root)/styling.mdx#L47

• Has the sidebar variables

https://github.com/cosscom/coss/blob/eca5fddc1055305f5f35df400ecde3aa6ebdf708/packages/ui/src/styles/globals.css

• Has the font variables. font-heading is referenced in some of the components (e.g. Dialog) but there's no mention of defining that anywhere.

It feels like both of those variables should be part of the default set up but they're not provided when setting up the project.

[pasqualevitiello]

Good point! I'll release an update

[pasqualevitiello]

Fixing #710