Allow user to create a participant from intake form

[kkchu791]

Overview

A user should be able to fill out required fields on the intake form and click save. This creates a new participant.

Action Items

• [ ] Create a confirmation box that participant was created

• [ ] Add extra columns to the Participants table to account for new fields in intake form

• [ ] Add validations to required fields. If required fields are not filled in, scroll page to first unfilled required field.

• [ ] Have Save buttons disabled until all required fields are filled in.