* Rename content/resources to content/events-workshops. Add alias for resources in events-workshops/_index.md
* Update references to /resources/* to /events-workshops/*
* Update the Resources option in the header nav to Events & Workshops
* Rename resources layouts to events-workshops
* Add aliases to all content/events-workshops/* pages for /resources
* Add a tool (redirector) that can add aliases when moving content in bulk
* Update indentation to use 2-spaces for the aliases list in events-workshops/pulumi-update-2020-04-29
