[MULI-12] Notify if someone has under 5 points

[tom-reith]

User Story
As a user playing a game
I want to visually see when a player has 5 or less points
So that I can see if someone is close to winning and has to follow special game rules (see wiki)

Acceptance Criteria
Scenario 1: A player has reached 5 points or less
GIVEN a game is played
WHEN a player reaches 5 points or less
THEN the player is visually marked

Scenario 2: A player was below five points but is now above it again
GIVEN a game is played
WHEN a player has reached 5 points or less
AND now has more than 5 points again
THEN the player is not visually marked anymore

Technical Specifications
add technical specification if needed

Dependencies
Depends on MULI-5 Start new Game