added validator js

ref #13

src/Login.svelte

@@ -1,5 +1,7 @@
 <script>
   import { apikey, lang, stationinfo } from "./store.js";
+  import isURL from 'validator/lib/isURL';
+  import isUUID from 'validator/lib/isUUID';
   import axios from "axios";
   import { _, locale } from "svelte-i18n";
   let token;
@@ -9,20 +11,6 @@
     token?.length === 44 &&
     token.split(".")[0].length === 7 &&
     isUUID(token.split(".")[1]);
-  function isLocale(l) {
-    return $locale == l;
-  }
-  function isUUID(uuid) {
-    let s = "" + uuid;
-
-    s = s.match(
-      "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
-    );
-    if (s === null) {
-      return false;
-    }
-    return true;
-  }
 </script>
 
 <div class="w-full flex flex-wrap">