Improve TCP flags doc

[jotak]

Give more details about what the TCP flags field means

Note, I'm flagging "no-doc" as there will be a doc review later anyway, with re-generated json reference

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (267780e) 58.61% compared to head (93060bb) 57.90%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #449      +/-   ##
==========================================
- Coverage   58.61%   57.90%   -0.72%     
==========================================
  Files         167      168       +1     
  Lines        8312     8414     +102     
  Branches     1061     1061              
==========================================
  Hits         4872     4872              
- Misses       3132     3234     +102     
  Partials      308      308              

Flag	Coverage Δ
uitests	59.23% <ø> (ø)
unittests	54.22% <ø> (-2.60%)	⬇️

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[msherif1234]

/LGTM

[jotak]

/approve

[openshift-ci]

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