Create the CSS theme with the colony branding

[fharper]

Create the CSS theme with the proper colors from the colony branding.

[konstructcarrie]

@donnalux Did this ever happen or can you bring me up to speed on what we'd need here? 🙇‍♀️

[donnalux]

This is in progress
https://linear.app/konstruct/issue/UXD-7/docs-design-konstruct-branding-for-product-pages