[CHE 39] Create Registration Page And Routing

[brok3turtl3]

Description

This ticket is part of CHE-23 Create User Registration story and adds a RegistrationPage component as well as routing and basic user flow.

Jira Task

CHE-39

Testing Instructions

1. Spin up Dev server using npm run docker-dev
2. In the browser navigate to http://localhost:8080/registration using a variety of query strings ensuring
   that only a valid token allows for successful user creation. eg: http://localhost:8080/registration?
   token=044470c8dc5a3cd36bb821c7b569c151b501e75c is the valid format and will work as long as that
   token/email are in the graduateInvitations document with isRegistered === false.

Checklist

• I added a descriptive title to this PR.
• I filled out the Description, Jira Task, and Testing Instructions sections above.
• I added or updated [Jest unit tests]for any changes to components, server-side controllers, etc.
• I ran npm run docker-test in my local environment to check that this PR passes all unit tests.
• I did a quick check to make sure my code changes follow the recommended style guide.

Additional Notes, Images, etc.

N/A