add DottedLine component in place of image and add radio button styles

[Fbasham]

Update Belt Assessment Colours

Description

Colours of the radio button has been updated. External dependency needed for styling.

List of proposed changes:

• add tailwind forms dev dependency
• change colours of radio button to match Miro
• add DottedLine component to replace the existing image of dotted lines

[github-actions[bot]]

Integration Deployment :rocket: - Check build status Jest Coverage Report Cypress Coverage Report