Move keyed-service samples to dependency-injection folder

Author: dodyg

projects/.net8/README.md

@@ -128,13 +128,3 @@
   * [Multiple IExceptionHandler](iexception-handler-2)
 
     Implement multiple `IExceptionHandler` to handle ASP.NET Core exceptions.
-
-## Keyed Services
-
-  * [Keyed Services in Minimal API](keyed-service)
-
-    Use `IServiceProvider.GetRequiredKeyedService<T>(key)` to get different type of implementation instances based on string key in Minimal API
-
-  * [Keyed Services in MVC](keyed-service-2)
-
-    Use `IServiceProvider.GetRequiredKeyedService<T>(key)` to get different type of implementation instances based on string key in MVC

projects/dependency-injection/README.md

@@ -18,4 +18,12 @@
 
     This shows how to register [Lazy](https://docs.microsoft.com/en-us/dotnet/api/system.lazy-1?view=net-5.0) types in the built in Dependency Injection. 
 
-dotnet6
+## Keyed Services
+
+  * [Keyed Services in Minimal API](keyed-service)
+
+    Use `IServiceProvider.GetRequiredKeyedService<T>(key)` to get different type of implementation instances based on string key in Minimal API
+
+  * [Keyed Services in MVC](keyed-service-2)
+
+    Use `IServiceProvider.GetRequiredKeyedService<T>(key)` to get different type of implementation instances based on string key in MVC