Add CI job for docs

[christophfroehlich]

ros-controls/control.ros.org#470

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.38%. Comparing base (ff1f2d6) to head (c5155f2).

Additional details and impacted files

@@             Coverage Diff              @@
##           ros2-master     #424   +/-   ##
============================================
  Coverage        78.38%   78.38%           
============================================
  Files               30       30           
  Lines             1888     1888           
  Branches           114      114           
============================================
  Hits              1480     1480           
  Misses             338      338           
  Partials            70       70           

Flag	Coverage Δ
unittests	78.38% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[xguay]

To make this workflow more uniform and robust to copy into other repos I'd like to suggest adding the following file formats to the list.

• .jpg
• .jpeg
• .png
• .svg
• .yml
• .bib maybe

[christophfroehlich]

To make this workflow more uniform and robust to copy into other repos I'd like to suggest adding the following file formats to the list.

* .jpg

* .jpeg

* .png

* .svg

* .yml

* .bib maybe

You mean for the path filters? Could make sense. problem with the yml files is that the github workflows also have the same ending. I can have a look if one can exclude the .github folder but include other yaml files.