docs: bifurcate documentation into user and admin sections (#38196)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

docs/developer_docs/sidebars.js

@@ -0,0 +1,84 @@
+/**
+ * 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.
+ */
+
+module.exports = {
+  developerPortalSidebar: [
+    'index',
+    {
+      type: 'category',
+      label: 'Contributing',
+      collapsed: true,
+      items: [
+        'contributing/overview',
+        'guidelines/design-guidelines',
+        'guidelines/frontend-style-guidelines',
+        'guidelines/backend-style-guidelines',
+      ],
+    },
+    {
+      type: 'category',
+      label: 'Extensions',
+      collapsed: true,
+      items: [
+        'extensions/overview',
+        'extensions/quick-start',
+        'extensions/architecture',
+        'extensions/dependencies',
+        'extensions/contribution-types',
+        {
+          type: 'category',
+          label: 'Extension Points',
+          collapsed: true,
+          items: [
+            'extensions/extension-points/sqllab',
+          ],
+        },
+        'extensions/development',
+        'extensions/deployment',
+        'extensions/mcp',
+        'extensions/security',
+        'extensions/tasks',
+        'extensions/registry',
+      ],
+    },
+    {
+      type: 'category',
+      label: 'Testing',
+      collapsed: true,
+      items: [
+        'testing/overview',
+      ],
+    },
+    {
+      type: 'category',
+      label: 'UI Components',
+      collapsed: true,
+      link: {
+        type: 'doc',
+        id: 'components/index',
+      },
+      items: [
+        {
+          type: 'autogenerated',
+          dirName: 'components',
+        },
+      ],
+    },
+  ],
+};