Add noop plugin

[pingsutw]

Tracking issue

Why are the changes needed?

What changes were proposed in this pull request?

How was this patch tested?

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[kumare3]

lets call it echo?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.98%. Comparing base (81afb76) to head (b3da447).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5559   +/-   ##
=======================================
  Coverage   60.98%   60.98%           
=======================================
  Files         796      796           
  Lines       51647    51647           
=======================================
  Hits        31498    31498           
  Misses      17249    17249           
  Partials     2900     2900           

Flag	Coverage Δ
unittests-datacatalog	69.31% <ø> (ø)
unittests-flyteadmin	58.73% <ø> (ø)
unittests-flytecopilot	17.79% <ø> (ø)
unittests-flytectl	67.44% <ø> (ø)
unittests-flyteidl	79.06% <ø> (ø)
unittests-flyteplugins	61.85% <ø> (ø)
unittests-flytepropeller	57.42% <ø> (ø)
unittests-flytestdlib	65.68% <ø> (ø)

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