Implement possibility to follow job log in arcctl (aka tail -f approach)
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This merge request is automatically copied from !388 (merged) orginally made by @andrii
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Now you can nicely monitor the job log progressing in the tail -f
manner from arcctl
CLI, e.g.:
arcctl job log gMyNDmOu3RtnjwO5upha6lOqABFKDmABFKDmDYMKDmscFKDmHgUHVo --follow
Useful for testing and live demos.