* using text hash as id to prevent document duplication. Also providing a way customize it.
* Add latest docstring and tutorial changes
* Fixing duplicate value test when text is same
* Adding test for duplicate ids in document store
* Changing exception to generic Exception type
* add exception for inmemory. update docstring Document. remove id_hash_keys from object attribute
* Add latest docstring and tutorial changes
* Add latest docstring and tutorial changes
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Malte Pietsch <malte.pietsch@deepset.ai>