Refactor file structure, and make file

connect4.h

@@ -1,33 +0,0 @@
-#ifndef CONNECT4_H_
-#define CONNECT4_H_
-
-#include <stddef.h>
-
-enum Tile {
-  BLACK = -1,
-  EMPTY = 0,
-  RED = 1,
-};
-
-struct Board {
-  size_t height;
-  size_t width;
-  size_t *tile_heights;
-  enum Tile *tilemap;
-  enum Tile next_player;
-};
-
-#define IDX(i, j, board) (board->tilemap[j*(board->width) + i])
-
-// Returns a board struct with height and width based on parameters
-struct Board *make_board(size_t height, size_t width);
-
-void free_board(struct Board *board);
-
-// Drops a tile, returns 0 if successful, -1 if error, and 1 if the move won
-int drop_tile(struct Board *board, size_t drop_pos);
-
-// Prints the supplied board
-void print_board(struct Board *board);
-
-#endif // !CONNECT4_H_