[Docs] Add antipatterns to circuit breaker documentation page

[peter-csala]

The issue or feature being addressed

• [Docs] Anti-pattern docs #1558
• Anti-patterns for Circuit Breaker in V7 #1543

Details on the issue fix or feature implementation

• I've migrated the V7 example codes to V8
• I've extended the circuit-breaker.md with patterns and anti-patterns section

Confirm the following

• I started this PR by branching from the head of the default branch
• I have targeted the PR to merge into the default branch
• I have included unit tests for the issue/feature
• I have successfully run a local build

NOTE

In case of Pattern 3 I did not use the mdsnippets intentionally since it would require us to refer to Microsoft.Extensions.Http.Polly package. So, I inlined that code fragment instead.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (29ef55b) 84.63% compared to head (70f69d5) 84.63%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1621   +/-   ##
=======================================
  Coverage   84.63%   84.63%           
=======================================
  Files         306      306           
  Lines        6820     6820           
  Branches     1044     1044           
=======================================
  Hits         5772     5772           
  Misses        839      839           
  Partials      209      209           

Flag	Coverage Δ
linux	84.63% <ø> (ø)
macos	84.63% <ø> (ø)
windows	84.63% <ø> (ø)

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