icon storybook document

[scottqueen-bixal]

PR Summary

Implements Icon story and Iconography documentation mdx

Related Github Issue

• fixes Include Icons list in storybook documentation #939

Detailed Testing steps

• pull changes local
• npm install
• npm run dev:storybook
• visit http://localhost:6006/?path=/docs/iconography--docs
• confirm our icons are rendering in a grid

expected:

• visit http://localhost:6006/?path=/docs/shared-components-icon--docs
• confirm an icon is rendering
• confirm you can change its color with the controls
• confirm you can load a new icon based on the names from our Iconography documentation

Expected:

[nehemiah-abuga]

I have validated this change and everything looks good. Thanks!