update README.md

README.md

@@ -11,6 +11,9 @@ import DependenciesMacro
 public struct TestClient {
     public var request: @Sendable (_ request: Request) -> Void
 }
+
+@DependencyValue(TestClient.self)
+public extension DependencyValues {}
 ```
 `@PublicInit` is a Member Macro and provides a public initializer.
 This macro can be applied only to public structs.
@@ -31,17 +34,18 @@ extension TestClient: TestDependencyKey {
         request: unimplemented("\(Self.self).request")
     )
 }
+
+public extension DependencyValues {
+    var testClient: TestClient {
+        get {
+            self[TestClient.self]
+        }
+        set {
+            self[TestClient.self] = newValue
+        }
+    }
+}
 ```
-> [!WARNING]   
-> The following DependencyValues extension are not generated by macro
-> ```Swift
-> public extension DependencyValues {
->     var testClient: TestClient {
->         get { self[TestClient.self] }
->         set { self[TestClient.self] = newValue }
->     }
-> }
-> ```
 
 ## Installation
 This library can only be installed from swift package manager.