feat(datasets): create separate ibis.FileDataset (kedro-org#842)

* feat(datasets): create separate `ibis.FileDataset`

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* chore(datasets): deprecate `TableDataset` file I/O

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* feat(datasets): implement `FileDataset` versioning

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* chore(datasets): try `os.path.exists`, for Windows

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* revert(datasets): use pathlib, ignore Windows test

Refs: b7ff0c7

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* docs(datasets): add `ibis.FileDataset` to contents

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* chore(datasets): add docstring for `hashable` func

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* chore(datasets): add docstring for `hashable` func

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* feat(datasets)!: expose `load` and `save` publicly

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

* chore(datasets): remove second filepath assignment

Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>

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Signed-off-by: Deepyaman Datta <deepyaman.datta@utexas.edu>
Signed-off-by: tdhooghe <thomas_dhooghe@mckinsey.com>