[MULI-11] Game Rule (Muli)

[tom-reith]

User Story
As a user playing a game
I want easily tell if a Muli (Mulatschak) has been announced
So that the correct score will be calculated in the end

Acceptance Criteria
Scenario 1: A Muli game is played
GIVEN a game is in progress
WHEN a player scores 5 stich
AND enters it into the app
THEN the round is counted with double the points

Technical Specifications
no player can score more than 5 stich anymore
replace 5 with MULI
For the player with MULI the points are doubles (e.g -10, -20). For the others they are not

Dependencies
Depends on MULI-5 Start new Game