code clean up and rd update

README.md

@@ -11,4 +11,15 @@ then
 ./ttt
 ```
 
+## CPU
+There is infact a CPU programmed into this application!
+You can play against it if you swap out:
+```c
+41  player_choice('O');
+```
+with
+```c
+41  cpu_choice('O');
+```
+
 Enjoy!

main.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdbool.h>
 #include <time.h>
+#include <unistd.h>
 
 #define ROWS 3
 #define COLUMNS 3
@@ -14,7 +14,6 @@
 #define RESET       "\033[0m"
 
 char board[ROWS][COLUMNS];
-char ESC = 27;
 
 void print_board();
 void clear_board();
@@ -105,6 +104,7 @@ void player_choice(char player){
 
     if(board[pr][pc] != ' ' ){
        printf(BOLDRED "\n[%c] Cannot play here, skipping...\n" RESET, player);
+       sleep(2);
     } else {
        board[pr][pc] = player;
     }