Sign Up View - iOS

[johnchoi96]

A/C:

• [ ] Textfield for email exists
• [ ] Textfield for password exists
• [ ] Textfield for confirm password exists
• [ ] Button for register exists
• [ ] Temporary connection for Firebase Auth (needs another ticket to migrate to backend server)
• [ ] Support "Sign In with Apple ID" feature
• [ ] google-service.json not checked in
• [ ] When sign up is successful and able to retrieve the user ID, hit the backend API to store user information

Backend API:

• PUT api/v1/users/create
  • request body:

    {
    "id": "string",
    "username": "string",
    "firstName": "string",
    "lastName": "string",
    "email": "string",
    "isVerified": false,
    "isAdmin": false
    }