[MULI-5] Start new Game

[tom-reith]

User Story
As a user
I want start a new game with 3 other players
So that I can track the stats of this game

Acceptance Criteria
Scenario 1: User starts a new game and wants to choose names of the other players
GIVEN a user starts the app
WHEN the new game button is pressed
AND the name of the players is entered
THEN a new game has been started
AND each player has 21 Points
AND the points of everyone are visible

Scenario 2: User starts a new game and doesn't care about his opponents
GIVEN a user starts the app
WHEN the new game button is pressed
AND no new names are given
THEN a new game has been started with default names
AND each player has 21 Points
AND the points of everyone are visible

Technical Specifications
add technical specification if needed

If no player names are given, default names are Player1, Player2, Player3, Player4