SIP-32: Moving frontend code to the base of the repo (#9098)

* move assets out, get webpack dev working

* update docs to reference superset-frontend

* draw the rest of the owl

* fix docs

* fix webpack script

* rats

* correct docs

* fix tox dox

superset-frontend/spec/javascripts/dashboard/fixtures/mockDashboardInfo.js

@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+export default {
+  id: 1234,
+  slug: 'dashboardSlug',
+  metadata: {
+    filterImmuneSlices: [],
+    filterImmuneSliceFields: {},
+  },
+  userId: 'mock_user_id',
+  dash_edit_perm: true,
+  dash_save_perm: true,
+  common: {
+    flash_messages: [],
+    conf: { ENABLE_JAVASCRIPT_CONTROLS: false, SUPERSET_WEBSERVER_TIMEOUT: 60 },
+  },
+};