add support pybotx-registration

[osovskiyalexandr]

PR checklist

• I've written good commit message for all commits
• I've split changes into separate commits where it's appropriate
• I've added the description of function to documentation
• I've updated project version in pyproject.toml
• I'll make a release when PR is merged
• I'll bump pybotx in bot-template

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (56f0c83) to head (a55850b).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #557   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          184       185    +1     
  Lines         9450      9545   +95     
  Branches       734       746   +12     
=========================================
+ Hits          9450      9545   +95     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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