--update : README.md

Author: TheSTL

README.md

@@ -27,6 +27,7 @@ Collection of interview questions with Unit Tests. Problems includes Data Struct
 - [Queue](src/_DataStructures_/Queue)
   - [Weave](src/_DataStructures_/Queue/weave)
 
+- [Doubly Linked List](src/_DataStructures_/DoublyLinkedList)
 ### Logical Problems
 
 - [Anagrams](src/_Problems_/anagrams)
@@ -52,6 +53,11 @@ Collection of interview questions with Unit Tests. Problems includes Data Struct
 
 - [Binary Search](src/_Searching_/BinarySearch)
 
+### Algorithms
+
+- [LRU Cache](src/_Algorithms_/lru-cache)
+
+
 ### Path Finder
 
 - [A\*](src/PathFinder/AStart)