[CLIENT-1879] Docs: deprecate examples/ folder and mark it as outdated

[juliannguyen4]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.92%. Comparing base (4e71d19) to head (972014d).
⚠️ Report is 3 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #835      +/-   ##
==========================================
+ Coverage   81.91%   81.92%   +0.01%     
==========================================
  Files          99       99              
  Lines       14037    14043       +6     
==========================================
+ Hits        11498    11505       +7     
+ Misses       2539     2538       -1     

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[justinlee-aerospike]

I don't like this message - it makes it sound like we aren't maintaining our Client. Let 's ask Product to provide us a more palatable message, or just not add anything.