Fix for When passing boolean value as required & default passed value is false in API it is consider that as no value or undefined.

Fixes #2

Refactor code for improved readability and consistency

- Standardized spacing and formatting in index.ts, types.ts, validators.ts, and validator.ts.
- Enhanced validation logic in validator.ts for better error handling and clarity.
- Ensured consistent use of arrow function formatting and indentation across files.

Author: th3hero