Directory Structure Example

please maintain the directory structure as in this example

Data structures
- stack
  - DESCRIPTION.md
  - Python
    - Applications
  - Cpp
    - Applications
    - ques
  - Java
Sorting Algorithms
- bubblesort
  - DESCRIPTION.md
  - Python
    - Applications
    - ques
  - Cpp
    - ques
  - Java
Graph
- Dijakstra
  - DESCRIPTION.md
  - Cpp
    - Applications
    - ques
  - java
  - Python