Render AgentOptimzier notebook in web

[skzhang1]

Why are these changes needed?

Related issue number

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.53%. Comparing base (8cb5c14) to head (ce758f9).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2197   +/-   ##
=======================================
  Coverage   37.53%   37.53%           
=======================================
  Files          77       77           
  Lines        7710     7710           
  Branches     1655     1655           
=======================================
  Hits         2894     2894           
  Misses       4573     4573           
  Partials      243      243           

Flag	Coverage Δ
unittests	37.52% <ø> (ø)

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