Form builder - step indicator

[danielnaab]

Implement a step indicator and drop-down menu that supports switching between different views of the form builder interface. This indicator should be styled consistent with #79, and include the following options:

• Upload
• Create
• Configure
• Publish

Acceptance criteria:

• Styled consistent with Kansas name change - design spike #79
• Menu items toggle to appropriate view (if it doesn't exist, stub it out)

Definition of done:

• Storybook interaction tests for behavior