update CLI documentation

[vitorvezani]

This PR fixes #NO-ISSUE

Checklist

• I have signed the CLA
• I have updated/added any relevant documentation

Description

What's the goal of this PR?

Update CLI documentation with latest state of Polaris

What changes did you make?

What alternative solution should we consider, if any?

[fairwinds-insights]

Fairwinds Insights CI Report

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✅ No new Action Items detected!

[fairwinds-insights]

Fairwinds Insights - Auto-scan job has failed ❌

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found 1 pods for job repo-scan-job-41514
------------------------------------------------
time="2023-08-03T14:24:51Z" level=info msg="CI plugin 5.1.3"
time="2023-08-03T14:24:51Z" level=info msg="cloneRepo: true"
time="2023-08-03T14:24:51Z" level=info msg="cloning github repository"
time="2023-08-03T14:24:52Z" level=error msg="Error running /usr/bin/git clone --branch vv/update-docs https://x-access-token:<TOKEN>@github.com/FairwindsOps/polaris - \nCloning into 'polaris'...\nfatal: Remote branch vv/update-docs not found in upstream origin\n[exit status 128]"
time="2023-08-03T14:24:52Z" level=fatal msg="Error creating CI Scan main struct: could not get configuration: unable to clone repository: exit status 128"

Additional info: Timeout after 20m0s