Updating documentation for the repo

[VachaShah]

Description

Updating documentation for this repo.

Issues Resolved

[List any issues this PR will resolve]

Check List

• [ ] New functionality includes testing.
  • [ ] All tests pass
• [ ] New functionality has been documented.
  • [ ] New functionality has documentation added
• [X] Commits are signed as per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license. For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov[bot]]

Codecov Report

Merging #85 (7c98eba) into main (ce4fbcb) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #85   +/-   ##
=======================================
  Coverage   65.23%   65.23%           
=======================================
  Files          32       32           
  Lines        2278     2278           
=======================================
  Hits         1486     1486           
  Misses        686      686           
  Partials      106      106           

Flag	Coverage Δ
opensearch-cli	65.23% <ø> (ø)

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