start project with header, struct, mlx functionnal, and basic key event action

srcs/init/init_struct.c

@@ -0,0 +1,23 @@
+#include "cube3d.h"
+
+t_game	*init_game(void)
+{
+	t_game	*game;
+
+	game = malloc(sizeof(t_game));
+	// player first position
+	game->plr_x = 16;
+	game->plr_y = 16;
+	// size window
+	game->win_size_x = 500;
+	game->win_size_y = 500;
+	// init connexion to server
+	game->mlx_ptr = mlx_init();
+	// create the window
+	game->win_ptr = mlx_new_window(game->mlx_ptr, game->win_size_x, game->win_size_y, "test");
+	// fill k_hook with zeros (key_hook, the array containing the values of key press)
+	ft_bzero(&game->k_hook, sizeof(game->k_hook));
+
+	return (game);
+}
+