adding file to dir

Author: sshsrijanr

Diff for: DIRECTORY.md

@@ -265,6 +265,7 @@
     * [Merge Two Lists](data_structures/linked_list/merge_two_lists.py)
     * [Middle Element Of Linked List](data_structures/linked_list/middle_element_of_linked_list.py)
     * [Print Reverse](data_structures/linked_list/print_reverse.py)
+    * [Remove nth Node from the End](data_structures/linked_list/remove_nth_node_from_end.py)
     * [Reverse K Group](data_structures/linked_list/reverse_k_group.py)
     * [Rotate To The Right](data_structures/linked_list/rotate_to_the_right.py)
     * [Singly Linked List](data_structures/linked_list/singly_linked_list.py)