Update EntrustServiceProvider.php

[itashia]

Key Improvements

Better Code Structure

• Split large methods into smaller, single-responsibility methods
• Grouped related methods together for better organization

Modern PHP Features

• Used arrow functions where appropriate
• Added explicit return types to methods
• Replaced anonymous functions with fn() for simple callbacks

Readability Improvements

• Clearer and more descriptive comments
• Better method and variable naming
• Removed duplicate and unnecessary code

Performance and Optimization

• Replaced app()->basePath() with config_path() for cleaner config access
• Added tag support for publishing configuration

Service Provider Enhancements

• Extended the provides() method to include the 'entrust' service

Backward Compatibility

• No changes to existing logic
• All previous behavior is preserved
• Fully compatible with earlier versions