This enables a "kubernetes_pod" to attach multiple agents that
could be for multiple services. Each agent is required to have
a unique name, so SSH syntax is:
`coder ssh <workspace>.<agent>`
A resource can have zero agents too, they aren't required.
* add readme for samples
* add sample of importing from repo
* add aws-linux and aws-windows examples
* cleanup
* cleanup
* sign
* fix grammar and comments from feedback
* use descript workspace name
* use TF version
* Fix requested changes on README
Co-authored-by: Kyle Carberry <kyle@coder.com>