Move ExternalPortForwarding to Jellyfin.Networking

Emby.Server.Implementations/Emby.Server.Implementations.csproj

@@ -29,7 +29,6 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" />
-    <PackageReference Include="Mono.Nat" />
     <PackageReference Include="prometheus-net.DotNetRuntime" />
     <PackageReference Include="DotNet.Glob" />
   </ItemGroup>

Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs → src/Jellyfin.Networking/ExternalPortForwarding.cs

@@ -16,7 +16,7 @@ using MediaBrowser.Controller.Plugins;
 using Microsoft.Extensions.Logging;
 using Mono.Nat;
 
-namespace Emby.Server.Implementations.EntryPoints
+namespace Jellyfin.Networking
 {
     /// <summary>
     /// Server entrypoint handling external port forwarding.

src/Jellyfin.Networking/Jellyfin.Networking.csproj

@@ -13,4 +13,8 @@
     <ProjectReference Include="..\..\MediaBrowser.Common\MediaBrowser.Common.csproj" />
     <ProjectReference Include="..\..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
   </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Mono.Nat" />
+  </ItemGroup>
 </Project>