docs: link to templates examples is broken on workspaces#workspace-lifecycle page

This is for https://coder.com/docs/coder-oss/latest

In the following section: https://coder.com/docs/coder-oss/latest/workspaces#workspace-lifecycle link to [../examples/templates](https://coder.com/docs/coder-oss/latest/examples/templates/README). points to 404 page

![image](https://user-images.githubusercontent.com/9592232/175287641-4463412a-53c6-49dd-8007-61ba9c3c67d3.png)
