Update PackageIds to follow ModelingEvolution naming convention

- Change nng.NET-LL to ModelingEvolution.Nng
- Change nng.NET.Shared-LL to ModelingEvolution.Nng.Shared
- Aligns with organizational naming standards

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Rafal Maciag

nng.NET.Shared/nng.NET.Shared.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <PackageId>nng.NET.Shared-LL</PackageId>
+    <PackageId>ModelingEvolution.Nng.Shared</PackageId>
     <PackageOutputPath>../bin/$(Configuration)</PackageOutputPath>
   </PropertyGroup>
 

nng.NET/nng.NET.csproj

@@ -5,7 +5,7 @@
   <PropertyGroup>
     <DebugType>full</DebugType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <PackageId>nng.NET-LL</PackageId>
+    <PackageId>ModelingEvolution.Nng</PackageId>
     <!-- Needed to avoid `error NU5128` when running `dotnet pack`.
     Assemblies for targetted frameworks are in runtimes/ instead of lib/ or ref/ 
     See: https://docs.microsoft.com/en-us/nuget/reference/errors-and-warnings/nu5128#scenario-2