added game board and UI

tik.rb

@@ -0,0 +1,39 @@
+#tiktaktoe
+
+
+LINES = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]
+
+board = Array.new(9)
+9.times do |i|
+  board[i] = i
+end
+
+def printBoard(board)
+  9.times do |i|
+    if i % 3 == 0
+      print "\n -------------\n | "
+    end
+    print "#{board[i]} | "
+  end
+print "\n -------------\n"
+end
+
+
+#if x is in lines then x wins
+#if o is in lines then x wins
+#if no nums in board then game over
+
+player = "X"
+loop do
+  print "Place an #{player} "
+  input = gets.to_i
+  p input
+  p board.include?(input) 
+  board[input] = player
+  printBoard(board)
+   if player == "X"
+    player = "O"
+  else
+    player = "X"
+  end 
+end