Change players from 7 back to 5

[Fyor]

Introduced Changes

Now works with 5 players instead of 7

Fixes #63

ToDo / Known Issues

none

Ideas for Next Iterations (Not This PR)

none

How to Test

Play a game with 5 players. Might be impossible untill robot gets returned.

[Fyor]

Tested on 05-06-2022

Tested both halves, but only with players 2-5 as we only have 4 robots available. Question for other testers: Does replacement keeper work correctly? Maybe test with 1-3 and 5

[Fyor]

@oxkitsune @Redjeepkaiser @MarkHonkoop This is ready for review and testing

[oxkitsune]

Lets test it?

[Fyor]

:eyes: @Redjeepkaiser