feat: add menu.ui as module entry point with CRUD and UI/DSpy menu items

wwwroot/menu.ui

@@ -0,0 +1,22 @@
+[
+    {
+        "name": "customers",
+        "label": "客户列表",
+        "url": "{{entire_url('customer_list.ui')}}"
+    },
+    {
+        "name": "new_customer",
+        "label": "新建客户",
+        "url": "{{entire_url('customer_edit.ui')}}"
+    },
+    {
+        "name": "customer_pool",
+        "label": "客户池",
+        "url": "{{entire_url('customer_pool.ui')}}"
+    },
+    {
+        "name": "handover_list",
+        "label": "客户交接",
+        "url": "{{entire_url('handover_list.ui')}}"
+    }
+]