feat: added lst structure

srcs/lst/ft_lstpop.c

@@ -0,0 +1,23 @@
+#include "libft.h"
+
+t_list *ft_lstpop(t_list **lst)
+{
+    t_list *current;
+    t_list *prev;
+
+    if (!lst || !*lst)
+        return NULL;
+    current = *lst;
+    if (current->next == NULL)
+    {
+        *lst = NULL;
+        return current;
+    }
+    while (current->next)
+    {
+        prev = current;
+        current = current->next;
+    }
+    prev->next = NULL;
+    return current;
+}