Enhance documentation with detailed explanations for System 2, examples, and error handling in choice, noul, and score functions
Add detailed documentation for library features and examples - Created 'Examples.md' with a support ticket routing example. - Expanded 'Home.md' to include an overview of the wiki and links to documentation. - Added 'Support ticket routing.md' with a comprehensive guide on ticket classification. - Introduced 'Under the hood.md' explaining the library's internal mechanics. - Created '_Sidebar.md' for easy navigation within the wiki. - Added 'choice.md', 'noul.md', and 'score.md' to document respective library functions.