Added a return Book feature

[Adnan-Jindani]

The return book feature stores all the return data into the returnBook table in MySQL databases. It can be used for return and refund for damaged products, etc.

Description of Change

References

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• Added description of change
• Relevant documentation/comments is changed or added
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I have performed a self-review of my own code by running the project in local
• I acknowledge that all my contributions will be made under the project's license.

Notes:
A new return book feature that stores the book returning and refund data for the customers

[Adnan-Jindani]

@shashirajraja