norm: splitted functions in main into appropriate file

Moved lstdelenvelem & env2lst to ms_env.c
Normed out files

includes/minishell.h

@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/11/18 13:12:34 by tmaze             #+#    #+#             */
-/*   Updated: 2019/09/19 17:08:15 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/09/20 12:00:04 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,4 +17,7 @@
 # include <sys/stat.h>
 # include "libft.h"
 
+void	lstdelenvelem(void *content, size_t size);
+t_list	*env2lst(char **env);
+
 #endif