Add rqt_JTC to docs (backport #950)

[mergify]

This is an automatic backport of pull request #950 done by Mergify.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0238118) 46.70% compared to head (2d9d893) 46.70%.

Additional details and impacted files

@@           Coverage Diff           @@
##             iron     #953   +/-   ##
=======================================
  Coverage   46.70%   46.70%           
=======================================
  Files          40       40           
  Lines        3655     3655           
  Branches     1728     1728           
=======================================
  Hits         1707     1707           
  Misses        753      753           
  Partials     1195     1195           

Flag	Coverage Δ
unittests	46.70% <ø> (ø)

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