Fix broken example link on Storybook (#135)

Author: joaopalmeiro

packages/components/docs/getting-started.mdx

@@ -32,7 +32,7 @@ A pre-bundled script that contains all APIs needed to use Jupyter UI Toolkit is
 
 The above CDN location points to the latest release of `@jupyter/web-components`. It is advised that when you deploy your site or app, you import the specific version you have developed and tested with.
 
-> A [example](https://raw.githubusercontent.com/jupyterlab-contrib/jupyter-ui-toolkit/main/examples/cdn) is available in the project repository.
+> An [example](https://github.com/jupyterlab-contrib/jupyter-ui-toolkit/tree/main/examples/cdn) is available in the project repository.
 
 ## NPM package