Add reference to new_samples/hello_world visual tutorial

Signed-off-by: Diana Zawadzki <[email protected]>

Author: zawadzkidiana

cmd/samples/recipes/helloworld/README.md

@@ -2,6 +2,8 @@
 
 This is the foundational Cadence workflow sample demonstrating basic workflow and activity execution.
 
+> **Looking for a step-by-step visual guide?** See the [new_samples/hello_world](../../../../new_samples/hello_world/) tutorial with screenshots and detailed setup instructions.
+
 ## Prerequisites
 
 1. Cadence server running (see [main README](../../../../README.md))