chore: add reference to docs

Author: abelflopes

packages/docs/storybook/addons/links/manager.tsx

@@ -1,5 +1,6 @@
 import React from "react";
 import { addons, types } from "@storybook/manager-api";
+// https://storybook.js.org/docs/react/addons/addon-knowledge-base#storybook-components
 import { IconButton } from "@storybook/components";
 import packageJson from "../../../../../package.json";