Changed dbfs.create to mkdirs for CLI

[ravi-databricks]

Changed CLI onboard command which was using dbfs.create causing already exists issue forAzure

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (feature/v0.0.8@3555aaa). Click here to learn what that means.

Additional details and impacted files

@@                Coverage Diff                @@
##             feature/v0.0.8      #53   +/-   ##
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  Coverage                  ?   89.90%           
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  Files                     ?        8           
  Lines                     ?      832           
  Branches                  ?      161           
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  Hits                      ?      748           
  Misses                    ?       33           
  Partials                  ?       51           

Flag	Coverage Δ
unittests	89.90% <ø> (?)

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