feat(chat): add messages

priv/repo/migrations/20241023113747_create_messages.exs

@@ -0,0 +1,16 @@
+defmodule Slax.Repo.Migrations.CreateMessages do
+  use Ecto.Migration
+
+  def change do
+    create table(:messages) do
+      add :body, :text, null: false
+      add :user_id, references(:users, on_delete: :delete_all), null: false
+      add :room_id, references(:rooms, on_delete: :delete_all), null: false
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create index(:messages, [:user_id])
+    create index(:messages, [:room_id])
+  end
+end