Add missing file

lib/ex_aws/chime/meetings/attendee_capabilities.ex

@@ -0,0 +1,21 @@
+defmodule ExAws.Chime.Meetings.AttendeeCapabilities do
+  @moduledoc """
+  Module representing the Chime AttendeeCapabilities data type
+
+  See https://docs.aws.amazon.com/chime/latest/APIReference/API_meeting-chime_AttendeeCapabilities.html
+  """
+
+  defstruct [
+    :audio,
+    :content,
+    :video
+  ]
+
+  @type capability_value :: :SendReceive | :Send | :Receive | :None
+
+  @type t :: %__MODULE__{
+          audio: capability_value(),
+          content: capability_value(),
+          video: capability_value()
+        }
+end