docs: updated docs related to deployment_configs operator section

[jjmachan]

Description

updated the docs with info about changes to deployment config's operator section

closes:

[codecov]

Codecov Report

Merging #156 (9f8ce6e) into main (122d3fc) will decrease coverage by 6.83%.
The diff coverage is 43.97%.

@@            Coverage Diff             @@
##             main     #156      +/-   ##
==========================================
- Coverage   72.20%   65.37%   -6.84%     
==========================================
  Files          18       19       +1     
  Lines         957     1031      +74     
==========================================
- Hits          691      674      -17     
- Misses        266      357      +91     

Flag	Coverage Δ
unit-tests	65.37% <43.97%> (-6.84%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
bentoctl/operator/constants.py	100.00% <ø> (ø)
bentoctl/cli/operator_management.py	39.18% <14.28%> (-1.09%)	⬇️
bentoctl/operator/utils/github.py	16.66% <16.66%> (ø)
bentoctl/operator/registry.py	60.17% <47.29%> (-34.08%)	⬇️
bentoctl/cli/__init__.py	84.78% <50.00%> (-0.78%)	⬇️
bentoctl/operator/utils/__init__.py	82.14% <82.14%> (ø)
bentoctl/console.py	94.11% <100.00%> (+1.80%)	⬆️
bentoctl/deployment_config.py	66.66% <100.00%> (ø)
bentoctl/exceptions.py	80.64% <100.00%> (+0.31%)	⬆️
bentoctl/operator/operator.py	74.28% <100.00%> (+0.75%)	⬆️
... and 3 more

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