Add Sponsors section to README

Sponsors Bot · Sponsors Bot · commit 8f5ee86a9bff · 2025-06-17T21:33:51.000Z
diff --git a/README.md b/README.md
@@ -106,3 +106,4 @@ var serviceProvider = collection.BuildServiceProvider();
 // OtherDecorator -> Decorator -> Decorated
 var instance = serviceProvider.GetRequiredService<IDecoratedService>();
 ```
+
