feat(InternalPlugin): Update internal plugin manifest

- Updated the `InternalPlugin` class in `YumeChan.Core.Modules.InternalPlugin.cs`
- Added properties for version, description, author, author contact, project homepage, source code repository, and icon URI
- Modified the `Loaded` property to check if the core state is online
- Updated the subproject commit in `YumeChan.PluginBase`

This commit updates the internal plugin manifest by adding new properties and modifying existing ones. It also updates the subproject commit in `YumeChan.PluginBase`.

src/YumeChan.Core/Modules/InternalPlugin.cs

@@ -10,13 +10,18 @@ public sealed class InternalPlugin : IPlugin
 {
  public string AssemblyName { get; } = typeof(YumeCore).Assembly.GetName().Name!;
  public string DisplayName => "YumeCore Internals";
-
+ public string Version => YumeCore.CoreVersion;
+ public string Description => "Internal Plugin for YumeChan Core";
+ public string Author => "YumeChan DT (Nodsoft Systems)";
+ public string AuthorContact => "[email protected]";
+ public Uri? ProjectHomepage { get; } = new("https://yumechan.app");
+ public Uri? SourceCodeRepository { get; } = new("https://github.com/YumeChan-DT/YumeChan");
+
  public bool Loaded => YumeCore.Instance.CoreState is YumeCoreState.Online;
+ public Uri? IconUri { get; set; }
  public bool ShouldUseNetRunner => false;
  public bool StealthMode => false;
 
- public string Version => YumeCore.CoreVersion;
-
  public Task LoadAsync() => Task.CompletedTask;
  public Task UnloadAsync() => Task.CompletedTask;
 }