enable block preview (WordPress#62955)

MaggieCabrera · carstingaxion · commit b87510cb1964 · 2024-07-19T01:32:45.000+02:00
diff --git a/packages/block-library/src/post-title/block.json b/packages/block-library/src/post-title/block.json
@@ -29,6 +29,9 @@
 			"default": "_self"
 		}
 	},
+	"example": {
+		"viewportWidth": 350
+	},
 	"supports": {
 		"align": [ "wide", "full" ],
 		"html": false,
