docs: fixed the indent of code (#1282)

xiaoluoboding · web-flow · commit bfe1707bc2a4 · 2022-05-12T11:58:42.000+02:00
diff --git a/packages/docs/core-concepts/index.md b/packages/docs/core-concepts/index.md
@@ -64,7 +64,7 @@ export default defineComponent({
       doubleCount,
       // this one will be reactive
       doubleValue: computed(() => store.doubleCount),
-      }
+    }
   },
 })
 ```
