Toast component page

[mwarman]

Describe the story

Provide a clear description of the new feature or improvement to existing functionality.

Create a component page for the Toast component.

Acceptance criteria

Provide clear acceptance criteria to validate the story is complete.

GIVEN the user is viewing the component page
WHEN the user clicks the "Toast" link in the left-side menu
THEN the component page for the Toast component is shown
AND the page contains a description, properties, and examples

Additional context

Add any other context about the story here.