Add redict from old documentation

[d-a-bunin]

Before submitting (must do checklist)

• Did you read the contribution guide?
• Did you update the docs? We use Numpy format for all the methods and classes.
• Did you write any new necessary tests?
• Did you update the CHANGELOG?

Proposed Changes

Closing issues

[github-actions]

🎉 Published on https://etna-docs.netlify.app as production
🚀 Deployed on https://66fe6b28537e8d5dfef92d12--etna-docs.netlify.app

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (last-old-docs@1d20ffc). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff               @@
##             last-old-docs    #487   +/-   ##
===============================================
  Coverage                 ?   9.40%           
===============================================
  Files                    ?     193           
  Lines                    ?   12418           
  Branches                 ?       0           
===============================================
  Hits                     ?    1168           
  Misses                   ?   11250           
  Partials                 ?       0           

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[d-a-bunin]

We successfully published documentation with a redirect.