enable live dashboard os monitoring

lib/cannery_web/controllers/user_registration_controller.ex

@@ -72,7 +72,7 @@ defmodule CanneryWeb.UserRegistrationController do
         |> redirect(to: Routes.user_session_path(Endpoint, :new))
 
       {:error, %Ecto.Changeset{} = changeset} ->
-        render(conn, "new.html", changeset: changeset, invite: invite)
+        conn |> render("new.html", changeset: changeset, invite: invite)
     end
   end
 end

mix.exs

@@ -33,7 +33,7 @@ defmodule Cannery.MixProject do
   def application do
     [
       mod: {Cannery.Application, []},
-      extra_applications: [:logger, :runtime_tools]
+      extra_applications: [:logger, :runtime_tools, :os_mon],
     ]
   end