docs: update readme

[huskar-t]

Description

Please briefly describe the code changes in this pull request.

Checklist

Please check the items in the checklist if applicable.

• Is the user manual updated?
• Are the test cases passed and automated?
• Is there no significant decrease in test coverage?

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.67%. Comparing base (09a7271) to head (bc0fb6b).
Report is 2 commits behind head on 3.0.

Additional details and impacted files

@@           Coverage Diff           @@
##              3.0     #103   +/-   ##
=======================================
  Coverage   73.67%   73.67%           
=======================================
  Files         103      103           
  Lines        4850     4850           
  Branches      430      430           
=======================================
  Hits         3573     3573           
  Misses       1114     1114           
  Partials      163      163           

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