Update Docs and Readme

[zhiqwang]

Update Docs and Readme

[codecov]

Codecov Report

Merging #304 (f76b0a5) into main (fa06b7e) will not change coverage.
The diff coverage is n/a.

❗ Current head f76b0a5 differs from pull request most recent head b1fd7c9. Consider uploading reports for the commit b1fd7c9 to get more accurate results

@@           Coverage Diff           @@
##             main     #304   +/-   ##
=======================================
  Coverage   94.93%   94.93%           
=======================================
  Files          11       11           
  Lines         731      731           
=======================================
  Hits          694      694           
  Misses         37       37           

Flag	Coverage Δ
unittests	94.93% <ø> (ø)

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