As a user I want to register into the app, so that I am able to book machines and can use the service

Acceptance criterias:

• when showing the login screen, there is an option to register as a new user
• if the user presses the register button, the registration process starts
• The user will go through an onboarding process step by step, the user can only go to the next step, when he fulfill all requirements of the current step
  • Step 1 – The user has to enter his email address and a password (2 times for validation) for the initial registration.
    • Exception E-Mail already exists -> show message to user
    • Exception Password rules are not fulfilled -> show message to user
  • Step 2 – after that, an email is send to the user with a 4 digit code for email validation (confirmation code should be part of the email subject). The user can enter the 4 digit code to validate his email. there is also an option to resend the email
    • Exception Digit Code is wrong -> show message to user
  • Step 3 – The user has to enter his address data (street, number, postal code, city) all fields are mandatory
    • Exception Mandatory fields -> next step ist only possible, when all mandatory fields are filled
  • Step 4 – The user has to upload a photo of his id document (id card, driving license or passport) After taking a photo, the user has the option to redo or confirm it. Show upload progress after taking the photo
    • Exception upload failed -> show message, user can initialize reupload
• after the user gone through all steps an overview screen is shown where he can finally confirm
• on the confirmation screen there are checkboxes for data policy and product information consents
• when a user aborts after the second step of the registration the questionnaire will always start direct after login
• the layout and interactions should be implemented according to the design and the common usage and interactions pattern of the respective mobile platform