I downloaded one... And did necessary changes (actually i dont know if they work, i wanted to play with this package, as I need to check something, more specifically, if the code i added to it will work the way i think)

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But I have no idea how to add it to visual studio. I found packages folder for nuget in program files, but these folders lack csharp files.

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They released the source so i hope its legal to edit it as i dont redistribute it anyway just wanted to learn and use, not even profit.

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How to add package if i have folder with csharp files of middleware? i have visual studio 2017

Thanks