🚀 [Feature] Redesign Registration Process

Created by: ulfgebhardt

🚀 Feature

It might be useful to implement the backend frist and then go for the frontend. Features required

• EMail Confirmation, Change/Adjustment of the existing system
• Invite Code (generation, distribution, accepting)
• Invite Code Database Structure
• User interface like shown below

User Interface

1. Invite Code

2. EMail

3. EMail Code

4. Username

5. Checks

6. Password

Program Structure

Notes

This Issue is very big - feel free to make subissues or pullrequests fixing some of this