Add ability to name an import job

[pradithya]

Is your feature request related to a problem? Please describe.
Currently, all import job is named "feastimport...", it is hard for user to know which one they submitted.

Describe the solution you'd like
Add "--name [job_name]" to CLI so that user is able to name their import job.

Describe alternatives you've considered
N.A.

Additional context
N.A.