Adding that ReadableStream cancellation propagates from Worker to DO

Author: Oxyjun

src/content/docs/workers/runtime-apis/streams/readablestream.mdx

@@ -47,7 +47,9 @@ let reader = readable.getReader({ mode: 'byob' });
 
   * When `true`, errors in the source `ReadableStream` will no longer abort the destination `WritableStream`. `pipeTo` will return a rejected promise with the error from the source or any error that occurred while aborting the destination.
 
+## ReadableStream with Durable Objects
 
+In a setup where a Durable Object returns a readable stream to a Worker, if the Worker cancels the Durable Object's readable stream, the cancellation propagates to the Durable Object.
 
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