modified Readme and added lib, test, and a Gemfile
add methods for insert and size
add logic for adding, showing, removing, and searching
update readme with description
implement stack
readme inclues explanation of what a stack is
add queue data structure
update readme to include queues
implement a binary tree
implement insertion sort
update resume to include insertion sort
fix and add more tests
fix implementation
deduct from a doubly linked list
add doubly linked list remove
bst
search tree
binary search tree traversal
fix test
implement quick sort