feat: add html link component

[hamza14khan]

• Addition of html link component and macro.
• Customisation options with external, noUnderline, dark and noVisited states.
• Updated wagtail example with link usage.

TODOs:

• Add custom class for 'text-decoration-skip-ink': 'none'.
• Font smoothing adjustments on create theme font-smoothing: antialiased;

Storybook Testing

Wagtail Example

[pregno]

Could you add a simple usage example in example/wagtail and example/nextjs?

[pregno]

Could you add a simple usage example in example/wagtail and example/nextjs?

@hamza14khan example/nextjs uses React components, so you can probably skip for now