Improve Descriptions in Theme Tokens for Light and Dark Themes

[georgewrmarshall]

Description

Some of the descriptions in the theme tokens for light and dark themes are incorrect and need improving. This includes fixing descriptions for light theme colors and dark theme colors.

Technical Details

• Improve color descriptions in DS Light Theme / Colors & Shadows
• Improve color descriptions in DS Dark Theme / Colors & Shadows
• Create PR/s with description updates with Token Studio plugin

Acceptance Criteria

• Light theme color descriptions make sense
• Dark theme color descriptions make sense
• Descriptions are aligned across light and dark themes
• Descriptions are updated in the Token Studio JSON
• Descriptions are updated in the Figma
• Descriptions are the same in Figma docs, style descriptions, and Token Studio JSON
• PR/s are created with updated descriptions