website/docs: add type to example variable

added type to variable
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The Terraform Team 2019-08-05 12:33:00 -04:00 committed by GitHub
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@ -45,6 +45,7 @@ variable "images" {
}
variable "zones" {
type = "list"
default = ["us-east-1a", "us-east-1b"]
}
```