Add Parquet format support for streaming

[slvrtrn]

Summary

Added missing Parquet streaming format support with related tests and examples.

Checklist

• [x] Unit and integration tests covering the common scenarios were added
• [x] A human-readable description of the changes was provided to include in CHANGELOG
• [x] For significant changes, documentation in https://github.com/ClickHouse/clickhouse-docs was updated with further explanations or tutorials