What's Changed
* Fix output of 'ls' CLI command by dreadatour in https://github.com/iterative/datachain/pull/977
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/iterative/datachain/pull/978
* Check UDF params types in SignalSchema by dreadatour in https://github.com/iterative/datachain/pull/973
* Update hidden fields in File model and corresponding tests by amritghimire in https://github.com/iterative/datachain/pull/982
* feat(dc): add repr to show schema for DataChain instances by skshetry in https://github.com/iterative/datachain/pull/980
* Enhance Dataset Management: Add description and labels support by amritghimire in https://github.com/iterative/datachain/pull/981
**Full Changelog**: https://github.com/iterative/datachain/compare/0.12.0...0.13.0