Migrate figma file to use variables

[lklyne]

Goal:
Update figma design file to use new variables functionality

Things to explore:

• Spacing variables
• Base colors
• Themes
• Light and dark mode
• Aesthetic? (border radius, shadows, etc?)

Resources:

Variable migration livestream:
https://figma.zoom.us/webinar/register/9016887429208/WN_OrIHF7DIQNinj8SmrhjKcg?mkt_tok=Nzc4LU1FVS0yODEAAAGM7zg7BSqzkFzPCwJr96LfAXZQCVrinGMdLID9ICwWO54P6cyKX_n5JGtG5-MzdXLcmGuy6sKbq9hYcOfqrmU0_cYNqMB2mNykreddDz_N#/registration

Another migration livestream:
https://figma.zoom.us/webinar/register/6816896952947/WN_rCgAfvNZTrerldI4-_EJdg#/registration

Atlassian using design tokens example:
https://www.figma.com/community/file/1182079839084966604/ADS%3A-Design-Tokens