Add map checks *

add:
- check if map is surronded by walls
- check file extension
dev:
- Makefile: now can include libraries
- add library libft
- add testmaps
- norm

Makefile

@@ -1,6 +1,9 @@
 NAME = cub3D
-CPP = gcc -Wall -Wextra -Werror -I include $(FLAGS)
-C_FILES = $(wildcard **/*.c)
+CPP = gcc -Wall -Wextra -Werror -I include -I libft $(FLAGS)
+LIBRARIES_DIR = libft
+LIBRARIES_A = libft/libft.a
+CPP_2 = $(CPP) $(FLAGS_2)
+C_FILES = $(wildcard src/**.c)
 O_FILES = $(patsubst %.c,%.o,$(C_FILES))
 
 ECHO = echoo(){ \
@@ -13,6 +16,11 @@ ECHO = echoo(){ \
 
 all : $(NAME)
 
+$(LIBRARIES_DIR):
+	@$(ECHO)
+	@$(ECHO) "\e[30;47;1m  $(NAME): making library $@...  \e[0m"
+	$(MAKE) -C $@
+
 clean :
 	@$(ECHO)
 	@$(ECHO) "\e[30;47;1m  $(NAME): clean...  \e[0m"
@@ -25,10 +33,10 @@ fclean : clean
 
 re : fclean all
 
-$(NAME) : $(O_FILES)
+$(NAME) : $(O_FILES) $(LIBRARIES_DIR)
 	@$(ECHO)
 	@$(ECHO) "\e[30;47;1m  $(NAME): linking...  \e[0m"
-	$(CPP) $(FLAGS_2) -o $(NAME) $(O_FILES)
+	$(CPP_2) -o $(NAME) $(O_FILES) $(LIBRARIES_A)
 	@$(ECHO)
 	@$(ECHO) "\t\t \e[0;92m\(^o^)/  \e[0;102;30;1m $(NAME) made! \e[0;92m \(^o^)/\e[0m"
 	@$(ECHO)
@@ -58,4 +66,4 @@ check_headers :
 	2> /dev/null rm __tmp_check_header.out __tmp_check_header.c; \
 	if [ $$ERROR -eq 0 ]; then true; else false; fi;
 
-.PHONY : all clean fclean re check_headers
+.PHONY : all clean fclean re check_headers $(LIBRARIES_DIR)