Adds notes about streaming subscription not supported by bulk or routes

Signed-off-by: joshvanl <me@joshvanl.dev>

daprdocs/content/en/developing-applications/building-blocks/pubsub/howto-route-messages.md

@@ -10,7 +10,7 @@ Pub/sub routing is an implementation of [content-based routing](https://www.ente
 
 While routing can be implemented with code, keeping routing rules external from the application can improve portability.
 
-This feature is available to both the [declarative and programmatic subscription approaches]({{< ref subscription-methods.md >}}).
+This feature is available to both the [declarative and programmatic subscription approaches]({{< ref subscription-methods.md >}}), however does not apply to streaming subscriptions.
 
 ## Declarative subscription
 

daprdocs/content/en/developing-applications/building-blocks/pubsub/pubsub-bulk.md

@@ -272,10 +272,11 @@ Invoke-RestMethod -Method Post -ContentType 'application/json' -Uri 'http://loca
 ## Subscribing messages in bulk
 
 The bulk subscribe API allows you to subscribe multiple messages from a topic in a single request.
-As we know from [How to: Publish & Subscribe to topics]({{< ref howto-publish-subscribe.md >}}), there are two ways to subscribe to topic(s):
+As we know from [How to: Publish & Subscribe to topics]({{< ref howto-publish-subscribe.md >}}), there are three ways to subscribe to topic(s):
 
 - **Declaratively** - subscriptions are defined in an external file.
 - **Programmatically** - subscriptions are defined in code.
+- **Streaming** - *Not supported* for bulk subscribe as messages are sent to handler code.
 
 To Bulk Subscribe to topic(s), we just need to use `bulkSubscribe` spec attribute, something like following: