change webpack server host+port to link

README.md

@@ -20,5 +20,5 @@ you can also use in your projects and adapt to your needs.
 
 The project is built using webpack and the [Kotlin frontend plugin](https://github.com/kotlin/kotlin-frontend-plugin). 
 
-To run the frontend, use `./gradlew frontend:run`. This will start a webpack server on port 8080. Navigate to localhost:8080 
+To run the frontend, use `./gradlew frontend:run`. This will start a webpack server on port 8080. Navigate to http://localhost:8080 
 to start using the application.