Add path option to cli

[tedhtchang]

Signed-off-by: ted chang htchang@us.ibm.com

What this PR does / why we need it:
Specify a feature repo path using feat --chdir path-to-a-feature-repository COMMAND ..
Which issue(s) this PR fixes:
Possibly Fixes #1507

Does this PR introduce a user-facing change?:
yes

The --chdir or -c option allows users to run a feast command outside of a feature repo directory. 

[feast-ci-bot]

Hi @tedhtchang. Thanks for your PR.

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[woop]

Thanks @tedhtchang, can we maybe get a single test to confirm that this functionality works?

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tedhtchang
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[tedhtchang]

@tsotnet How do I find out what failed in the linter / lint-python check ? Never mind the lint-python check showed up now.

[tedhtchang]

Thanks @tedhtchang, can we maybe get a single test to confirm that this functionality works?
@woop Sure. I added a test.

[woop]

@tsotnet How do I find out what failed in the linter / lint-python check ? Never mind the lint-python check showed up now.

For future reference, make lint and make format can be used to check linting locally and reformat the code.