Added "accent" colors to light & dark

[Akatori-Design]

Added 12 new colors to both light & dark theme.
*These color values stay the same between light & dark themes.

• accent01 :
  • light (orange.200)
  • normal (orange.400)
  • dark (orange.700)
• accent02 :
  • light (purple.100)
  • normal (purple.300)
  • dark (purple.800)
• accent03 :
  • light (lime.050)
  • normal (lime.100)
  • dark (lime.700)
• accent04 :
  • light (indigo.100)
  • normal (indigo.200)
  • dark (indigo.800)

Description

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.