Replace uuids with "nanoid"s

lib/outlook/translators.ex

@@ -89,12 +89,12 @@ defmodule Outlook.Translators do
     |> Floki.find("span.tunit")
     |> Enum.map(fn {_,atts,cont} ->
       %TranslationUnit{
-        uuid: Enum.find(atts, fn {k,_} -> k == "uuid" end) |> Tuple.to_list |> Enum.at(1),
+        nid: Enum.find(atts, fn {k,_} -> k == "nid" end) |> Tuple.to_list |> Enum.at(1),
         content: Floki.raw_html(cont),
         status: :untranslated
       }
     end)
-    |> Enum.map(fn tunit -> {tunit.uuid, tunit} end)
+    |> Enum.map(fn tunit -> {tunit.nid, tunit} end)
     |> Enum.into(%{})
 
     case Enum.sort(Map.keys(tunit_map)) == Enum.sort(tunit_ids) do