* Enable custom themes to theme Compound
* Remove the now redundant username color variables
They are replaced by the Compound theming options (specifically, username colors can be themed by changing the color of Compound's decorative color tokens).
* Integrate compound design tokens
The icons should not be included in this repo, and should live in the compound design token repo, but for simplicity sake at this phase of the integration they will be added here
* lintfix
* Use correct SpyInstance import
* Using npm build of design tokens
