Connect Sign Up page to backend

[geraldiner]

Similar to Connect Login page to backend #16

• Set up authentication route for Sign Up
  • POST request
• Test in Postman to create fake users
• Connect to frontend

Sign up flow

1. Sign Up Page
2. Clicking submit should validate existing user doesn't exist (unique email)
3. Success should add user to database and redirect to Create Event page
4. Failure should remain on Sign Up page with error message

Sign up flow for invited member

1. Sign Up page
   • Pre-populated with information from the invitation, just need to set password
2. Clicking submit should validate existing user doesn't exist (unique email)
3. Success should add user to database and redirect to Wish Lish page
4. Failure should remain on Sign Up page with error message