📖 Add a security self assessment doc

[zhujian7]

Summary

Related issue(s)

#793

Fixes #

[openshift-ci]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.76%. Comparing base (8b3a820) to head (828e38a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #876   +/-   ##
=======================================
  Coverage   63.76%   63.76%           
=======================================
  Files         193      193           
  Lines       18975    18975           
=======================================
  Hits        12100    12100           
  Misses       5880     5880           
  Partials      995      995           

Flag	Coverage Δ
unit	63.76% <ø> (ø)

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[zhujian7]

/cc @qiujian16 @mikeshng