[API-2181]Add CPMap Support

[emreyigit]

This PR add CPMap support to .Net Client. The implementation is pure client protocol invocations.

Please, see the example and documentation for usage.

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[codecov-commenter]

Codecov Report

Attention: 31 lines in your changes are missing coverage. Please review.

Comparison is base (048f52c) 84.88% compared to head (aa4e385) 84.70%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
...t.Net/Protocol/Codecs/ClientAuthenticationCodec.cs	0.00%	12 Missing ⚠️
...Protocol/Codecs/ClientAuthenticationCustomCodec.cs	0.00%	12 Missing ⚠️
...rc/Hazelcast.Net/Protocol/Codecs/MapDeleteCodec.cs	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #866      +/-   ##
==========================================
- Coverage   84.88%   84.70%   -0.18%     
==========================================
  Files         914      914              
  Lines       21638    21679      +41     
==========================================
- Hits        18367    18363       -4     
- Misses       3271     3316      +45     

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[zpqrtbnk]

Commented.

[zpqrtbnk]

additional note: need to verify that this is listed in the CP SubSystem documentation page.