Create systematic and proper folder wise readme file for this repo!

[Sar-taj107]

Create systematic and proper folder wise readme file for this repo to depicts all the existing problem that are present in order wise from top to bottom. If possible add table of contents also it will be more helpful to keep track the existing program / problem which are already added in this repo. Additional:( if you add link or hyper link to navigate in specific folder then also plus point)

If anyone interested to do this please let me know i will assign.