Add Parquet dataset metadata management with serialization and filtering capabilities

- Implemented functions for serializing and deserializing Parquet metadata.
- Added methods to collect and manage metadata for Parquet files, including filtering and row group processing.
- Introduced a new class `ParquetDatasetMetadata` to encapsulate metadata handling for Parquet datasets.
- Enhanced file metadata management with JSON serialization for improved compatibility.
- Added support for scanning datasets with filter expressions and generating metadata tables.
- Implemented caching mechanisms to optimize metadata access and updates.

Author: legout