added code example to catch NonRetryableError

Author: bruxodasilva

src/content/docs/workflows/build/sleeping-and-retrying.mdx

@@ -112,4 +112,22 @@ export class MyWorkflow extends WorkflowEntrypoint<Env, Params> {
 
 The Workflow instance itself will fail immediately, no further steps will be invoked, and the Workflow will not be retried.
 
-Like other Errors, any uncaught exceptions that propagate to the top level will cause the Workflow to end execution in an Errored state. Catch the `NonRetryableError` to continue Workflow execution.
+Like other Errors, any uncaught exceptions that propagate to the top level will cause the Workflow to end execution in an Errored state. Catch the `NonRetryableError` to continue Workflow execution:
+
+```ts
+...
+try {
+    await step.do('task', async () => {
+		// work not to be retried
+        throw new NonRetryableError('oh no');
+    });
+} catch {
+    console.log('error was thrown');
+}
+
+// the Workflow will not fail and can continue its execution
+
+await step.do(next task, async() => {
+	// more work to be done
+});
+```