move toastify css to app base

ref #11

src/components/Login.svelte

@@ -6,7 +6,6 @@
   import { OpenAPI, AuthService } from "@odit/lfk-client-js";
   OpenAPI.BASE = config.baseurl;
   import Toastify from "toastify-js";
-  import "toastify-js/src/toastify.css";
   // ------
   let username = "demo";
   let password = "demo";