healthckeck improvements

lib/elixir_ai_web/controllers/health_controller.ex

@@ -0,0 +1,7 @@
+defmodule ElixirAiWeb.HealthController do
+  use ElixirAiWeb, :controller
+
+  def index(conn, _params) do
+    json(conn, %{status: "ok"})
+  end
+end