Add helm2dda docs

[fanny-jiang]

What does this PR do?

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Motivation

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Additional Notes

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Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 37.01%. Comparing base (d1d1dd4) to head (b439203).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2396   +/-   ##
=======================================
  Coverage   37.01%   37.01%           
=======================================
  Files         287      287           
  Lines       24260    24260           
=======================================
  Hits         8981     8981           
  Misses      14581    14581           
  Partials      698      698           

Flag	Coverage Δ
unittests	37.01% <ø> (ø)

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