chore(a11y): pass a11y descriptions in svelte

examples/svelte/src/routes/examples/overview/Flow.svelte

@@ -220,6 +220,11 @@
 		console.log('on selection changed via prop', { nodes, edges });
 	}}
 	selectNodesOnDrag
+	a11yMessages={{
+        'a11yDescription.node.default': 'Svelte Custom Node Description.',
+        'a11yDescription.node.keyboardDisabled': 'Svelte Custom Keyboard Description',
+        'a11yDescription.edge.default': 'Svelte Custom Edge Desc.',
+      }}
 >
 	<Controls orientation="horizontal" {fitViewOptions}>
 		{#snippet before()}