[Add a Play]: Play Fair Cipher

[KMohZaid]

What's the Play about?

• User can ecrypt plain text
• Also can decrypt it

What ReactJS concept will be used to create this play?

• User events
• State management
• Typescript

Are you willing to take it up for implementation?

Yes

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

[github-actions[bot]]

Hello! Thank you for filing an issue. If this is a bug report, please include relevant logs to help us debug the problem.

[KMohZaid]

PR : #732