Add `delete_patterns` option to `upload_folder` (#1370)
* Add delete_patterns option to upload_folder + tests + adapt mixins
* adapt upload guide
* fix test python3.7
* Apply suggestions from code review
Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>
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Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>
