The schema is in https://core.telegram.org/schema/json so it's more
logical to expect the file to be named `json`, which is what would
happen if you download it with wget, for example.
Because we might use dependencies soon that require this framework.
And anyway these days the .NET world is mostly a hybrid between
.NETStandard/.NETCore libs and .NET4.6 ones, not older than that.
(This commit was brought from TLSharp [1] version 0.1.0.522.)
[1] 709e5be7cc
WARNING: NU5118: File 'D:\a\TLSharp\TLSharp\TLSharp.Core\bin\Debug\TLSharp.Core.dll' is not added because the package already contains file 'lib\net45\TLSharp.Core.dll'
(This commit was brought from TLSharp [1] version 0.1.0.521.)
[1] 6b35857923