Updated README.md to include FromKeyedServices attribute

Author: LostBeard

README.md

@@ -9,7 +9,7 @@
 - Create a new instance of a class and add it as a runtime service using a `new` expression
 - [TaskPool](#webworkerservicetaskpool) support via WebWorkers
 - Component's can call their own private static methods in background threads (supports service injection)
-- Supports method parameter service injection via `[FromServices]` parameter attribute
+- Supports method parameter service injection via `[FromServices]` and `[FromKeyedServices]` parameter attributes
 - Works in Blazor WASM .Net 6, 7, 8, and 9.
 - SharedArrayBuffer is not required. No special HTTP headers to configure.
 - Supports [transferable objects](#transferable-objects)