introduction of nuget packages as plugins support

Torch.API/WebAPI/Plugins/Package.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using NuGet.DependencyResolver;
+using SemanticVersioning;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public record Package(string Name, Version Version, IReadOnlySet<PackageDependency> Dependencies)
+{
+    internal GraphItem<RemoteResolveResult> Graph { get; init; }
+}