feat(mapper): implement ClickHouse to Querya type mapper and ColumnSchema (#10)

[ZhuchkaTriplesix]

Summary of Changes

• Implemented recursively stripping and wrappers in .
• Implemented mapping ClickHouse data types (.., /, , , , , etc.) to Querya Standard Schema primitives (, , , , , , ).
• Enforced 64-bit (/), 128-bit, 256-bit integers and types to map to to prevent 53-bit JavaScript/Flutter IEEE-754 precision loss ().
• Created generator (, , , ) for query result metadata ().
• Added 6 comprehensive unit tests covering recursive wrappers and edge cases ().

Closes #10