fixup noob mode default value

lib/vaccins_web/live/index.ex

@@ -11,7 +11,7 @@ defmodule VaccinsWeb.IndexLive do
     {:ok,
      socket
      |> assign(
-       noob_mode: true,
+       noob_mode: false,
        is_local?: is_local?,
        locations: locations,
        locations_with_early_slots: MapSet.new(),