move static resources to share/jupyterhub

from share/jupyter/hub

to be consistent with use of etc/jupyterhub etc.

share/jupyterhub/static/js/token.js

@@ -0,0 +1,19 @@
+// Copyright (c) Jupyter Development Team.
+// Distributed under the terms of the Modified BSD License.
+
+require(["jquery", "jhapi"], function ($, JHAPI) {
+    "use strict";
+
+    var base_url = window.jhdata.base_url;
+    var user = window.jhdata.user;
+    var api = new JHAPI(base_url);
+
+    $("#request-token").click(function () {
+        api.request_token({
+            success: function (reply) {
+                $("#token-result").text(reply.token);
+                $("#token-area").show();
+            }
+        });
+    });
+});