Add a doc for aws_cloudfront_key_group resource

website/docs/r/cloudfront_key_group.html.markdown

@@ -0,0 +1,42 @@
+---
+subcategory: "CloudFront"
+layout: "aws"
+page_title: "AWS: aws_cloudfront_key_group"
+description: |-
+  Provides a CloudFront key group.
+---
+
+# Resource: aws_cloudfront_key_group
+
+## Example Usage
+
+The following example below creates a CloudFront key group.
+
+```hcl
+resource "aws_cloudfront_public_key" "example" {
+  comment     = "example public key"
+  encoded_key = file("public_key.pem")
+  name        = "example-key"
+}
+
+resource "aws_cloudfront_key_group" "example" {
+  comment = "example key group"
+  items   = [aws_cloudfront_public_key.example.id]
+  name    = "example-key-group"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `comment` - (Optional) A comment to describe the key group..
+* `items` - (Required) A list of the identifiers of the public keys in the key group.
+* `name` - (Required) A name to identify the key group.
+
+## Attributes Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `etag` - The identifier for this version of the key group.
+* `id` - The identifier for the key group.