Add files via upload

Author: GlebSBrykin

Implementation/System.AI.sln

@@ -20,6 +20,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "torchfile.NET", "src\torchf
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "micrograd.NET", "src\micrograd.NET\micrograd.NET.csproj", "{00000000-0000-0000-0000-000000000008}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DotnetExtensions", "src\DotnetExtensions\DotnetExtensions.csproj", "{00000000-0000-0000-0000-000000000009}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -58,5 +60,9 @@ Global
 		{00000000-0000-0000-0000-000000000008}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{00000000-0000-0000-0000-000000000008}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{00000000-0000-0000-0000-000000000008}.Release|Any CPU.Build.0 = Release|Any CPU
+		{00000000-0000-0000-0000-000000000009}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00000000-0000-0000-0000-000000000009}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00000000-0000-0000-0000-000000000009}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00000000-0000-0000-0000-000000000009}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal