text: function towerBuilder(nFloors) {
      let arr = [];
      for (let i = 0; i <= nFloors; i++) {
          
      }
  }
  
  console.log(towerBuilder(1), ["*"]);
  console.log(towerBuilder(2), [" * ", "***"]);
  console.log(towerBuilder(3), ["  *  ", " *** ", "*****"]);