Created Readme.md

[mahakmandlecha]

Fixes #2253

Checklist:

• [X ] 4 space indentation.
• [ X] Coding conventions are followed.
• [ X] Input is taken dynamically.
• [ X] Sample Input / Output is added at the end of file.
• [ X] Logic Documentation (Comments).
• [ X] File names are correct.

Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

Changes proposed in this pull request:

• Updated readme.md

Languages Used:

• markdown

Files Added:

• README.md

We're happy to help you get this ready -- don't be afraid to ask for help.

Thanks!

[asha15]

This file should contain the following:

Explanation
Algorithm
Pseudocode
Example
Time Complexity

Also add images/GIFs to explain if possible.

[somya-kapoor]

Are you working on it?

[somya-kapoor]

Due to no activity for more than 7 days, I am closing this issue.