Advertise short syntax to run lambda HTTP APIs locally in xp web

[skip ci]

Author: thekid

README.md

@@ -51,7 +51,7 @@ Development & testing
 To run the HTTP APIs locally, this library integrates with [xp-forge/web](https://github.com/xp-forge/web) via a wrapper:
 
 ```bash
-$ xp web com.amazon.aws.lambda.Ws Greet
+$ xp web lambda Greet
 @xp.web.srv.Standalone(HTTP @ peer.ServerSocket(Resource id #124 -> tcp://127.0.0.1:8080))
 Serving prod:Lambda<Greet>[] > web.logging.ToConsole
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