chore(docs): Avatar docs update (VIV-2082)

[rachelbt]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (d61b119) to head (756cd9a).
Report is 1231 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##              main     #2081     +/-   ##
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  Coverage   100.00%   100.00%             
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  Files          123       374    +251     
  Lines         1562      9362   +7800     
  Branches       108      1508   +1400     
===========================================
+ Hits          1562      9362   +7800     

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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[TaylorJ76]

I think it would be good to show a Use Case of an Avatar wrapped in a button with a menu attached.

[rachelbt]

I think it would be good to show a Use Case of an Avatar wrapped in a button with a menu attached.

I added 2 usecases :)