Merge pull request #237 from suzuki-shunsuke/docs/add-example

docs: add an example

terraform/example/v0.12/role.tf

@@ -31,3 +31,12 @@ resource "graylog_role" "terraform-read" {
   ]
 }
 
+resource "graylog_role" "read-stream-test" {
+  name        = "read-stream-test"
+  description = "read the stream 'test'"
+
+  permissions = [
+    "streams:read:${graylog_stream.test.id}",
+  ]
+}
+

terraform/example/v0.12/user.tf

@@ -3,5 +3,8 @@ resource "graylog_user" "test" {
   email     = "test@example.com"
   full_name = "test test"
   password  = "password"
-  roles     = ["Reader"]
+  roles = [
+    "Reader",
+    graylog_role.read-stream-test.name,
+  ]
 }