docs: add new document site URL

[chenjiahan]

#12846

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.78%. Comparing base (8128b33) to head (0026086).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12902      +/-   ##
==========================================
+ Coverage   89.73%   89.78%   +0.04%     
==========================================
  Files         257      257              
  Lines        6957     6957              
  Branches     1711     1711              
==========================================
+ Hits         6243     6246       +3     
+ Misses        379      377       -2     
+ Partials      335      334       -1     

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