Tic tac toe game using collection view.
Its is a two player game.
Default player1 has #X symbol and Player2 With the #O
It is an hardcoded method that i have used
Winning combinations are in 2D Array. Every time player chooses the tile the the corrosponding value is add to his array and matched with the winning combination array.
if they do match then we the winning combination array is highlighted with the green background.