Adds docs for toleratios in source cmdProbe

[Nageshbansal]

Proposed changes

Add docs for tolerations in source cmdProbe.
Fixes: #482
Part of PR: PR

Types of changes

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• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

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• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

Dependency

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Special notes for your reviewer:

[amityt]

Requested a minor change, rest looks good!