* api call to add/write artifact
* return dvcyaml path on add
* create dir for dvc.yaml if needed
* create dir for dvc.yaml if needed - fix
* allow nested artifact names
* make dvc get download artifacts
* Apply suggestions from code review
Co-authored-by: Oded Messer <[email protected]>
* use feedback
* remove 'dvc get' from this PR, keep only adding artifacts
* allow first char of artifact name to be a number
* add note about constants
* fix parsing artifact name
* remove 'parse_name' and write tests for 'add'
* Apply suggestions from code review
Co-authored-by: Oded Messer <[email protected]>
* updates from comments
* fix for studio
* fix again
* making check_name_format to raise an exception
* Update dvc/repo/artifacts.py
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Co-authored-by: Oded Messer <[email protected]>