Refactor

[groe-dennis]

Refactor: Improve Statement Logic and Introduce Configurable Play Types

Key Changes:

• Removed the switch statement for play types and introduced the playTypes.json configuration file.
• Created dedicated calculateAmount and calculateCredits functions using the new playTypes configuration.
• Refactored to introduce a createStatementData function and use map and reduce for better immutability.
• Improved Error handling with try...catch block.
• Created a helper createFormatter function
• Changed to use template literals
• Updated index.js to use the new playTypes configuration