init commit

lib/here_i_am/devices/device.ex

@@ -0,0 +1,18 @@
+defmodule HereIAm.Devices.Device do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "devices" do
+    field :ip_address, :string
+    field :audio, :string
+
+    timestamps(type: :utc_datetime)
+  end
+
+  @doc false
+  def changeset(device, attrs) do
+    device
+    |> cast(attrs, [:ip_address, :audio])
+    |> validate_required([:ip_address, :audio])
+  end
+end