Add toast component to extras

[bapplejax]

Description

Adds toast component with storybook and testing.

Related Issue

https://metrostarsys.sharepoint.com/sites/FrontendDevCoP/Lists/Tasks/DispForm.aspx?ID=24&e=GkVxp1

Motivation and Context

Want to add a toast notification to the extras.

How Has This Been Tested?

Tests created and run locally.

Screenshots (if appropriate):

[jbouder]

A couple of initial comments, based on some basic testing.

1. I would suggest updating the stories to display the toast based on a button click, not automatically
2. The toast should slide in from the right and stay aligned to the right side.
3. Add a allowClose prop to the component which is true by default. And update so that you can toggle the close button as needed. See the Alert component for a reference.

[jbouder]

A few more minor things please.

[jbouder]

Looks and works great, just need a few minor updates.

[jbouder]

🚀