[Docs] v2 API description

[sotetsuk]

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[codecov]

Codecov Report

Merging #1091 (4266a42) into main (365062c) will not change coverage.
Report is 1 commits behind head on main.
The diff coverage is n/a.

❗ Current head 4266a42 differs from pull request most recent head bf02108. Consider uploading reports for the commit bf02108 to get more accurate results

@@           Coverage Diff           @@
##             main    #1091   +/-   ##
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  Coverage   88.05%   88.05%           
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  Files          60       60           
  Lines        5909     5909           
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  Hits         5203     5203           
  Misses        706      706