C# SDK (cryptomkt-csharp) #24

Hello.

I just started a C# version of the SDK, ported from cryptomkt-java. Would like to help in seeing if i could contribute more

"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/xyclone-designs/cryptomkt-csharp"

PS. In cryptomkt/cryptomkt-java/, the CommitRisk model has a naming error in the toString() method