StarterAI = function (gameSession, playerId, difficulty) {
  this._gameSession = gameSession;
  this._playerId = playerId;
  this._difficulty = _.isNumber(difficulty) && !isNaN(difficulty) ? Math.max(0.0, Math.min(1.0, difficulty)) : 1.0;
  this._resetForNextTurn();
}
Simple ai that is able to play faction starter decks.
@param {SDK.GameSession} gameSession
@param {String|Number} playerId
@param {Number} [difficulty=1.0] difficulty as a percentage between 0 and 1
@constructor