doc: Question on How to: Horizontally scale subscribers with StatefulSets

[TonyPythoneer]

Describe the issue

I have a question on this part:

• Broadcast: each message published on the topic will be consumed by all subscribers.
• Shared: a message is consumed by any subscriber (but not all). So, where is the configuration for that?

URL of the docs

https://docs.dapr.io/developing-applications/building-blocks/pubsub/howto-subscribe-statefulset/

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Expected content

I expect there is a configuration link that is associated with the description.