GAME RULES:
- The game has 2 players, playing in rounds
- In each turn, a player rolls a dice as many times as he whishes. Each result get added to his CURRENT score
- BUT, if the player rolls a 1, all his CURRENT score gets lost. After that, it's the next player's turn
- The player can choose to 'Hold', which means that his CURRENT score gets added to his TOTAL score. After that, it's the next player's turn
- The first player to reach 100 points on TOTAL score wins the game
- A player looses his ENTIRE score when he rolls two 6 in a row. After that, it's the next player's turn.
- Added an input field to the HTML where players can set the winning score, so that they can change the predefined score.