[FEATURE] Add new tokens to the default theme.

[MatteuSan]

Figma file: https://www.figma.com/file/VdEnlXc5MjDu2vZCWZPgDE/Ugnay-Design-System-v1?node-id=0%3A1

• Add the following tokens to the implementation:
  • State tokens: success, warning, warning, and their corresponding ink colors.
  • Neutral solid tokens: default, light, dark, and their corresponding ink colors.
  • Neutral alpha tokens: default, light, dark, and their correspondning ink colors.
  • Radiuses: small, medium, and large.
  • Typography tokens: headers 1-4, paragraph, small, actions.
• Use the figma file provided above for reference.