First login to the interface
**Is your feature request related to a problem? Please describe.**
The first login is not as it should be: there is no information what is the default login and password and there is no screen to create a login and password.

**Describe the solution you'd like**
During the first login to the interface, there should be a screen to change default login and password.

**Describe alternatives you've considered**
Hint on the screen showing that the default login is master and the password is master.

**Additional context**
None.
