Provider Sign Up Form (UI)

[brammerl]

Create registration form that will add a provider to the database and gives prompts to fill out.

Acceptance Criteria:

• Registration form has text inputs for each required field (see schema for required fields)
• Submission button exists and pressing it sends data correctly to the database
• Progress bar at the bottom of the page correctly shows user's progress through the sign-up process

[noah-puckett]

@brammerl or @kat-sauma, if there's some wireframe screenshots you could add that'd be great!