menu: replace old model lists with cockpit 模型广场, add 3 new llmage paths

- Replaced '供应商模型列表'+'模型列表' sub-items with single '模型广场'
  pointing to /llmage/model_plaza.ui
- Added 3 new paths to load_path: model_plaza.ui, plaza_model_cards.ui,
  api/get_plaza_models.dspy

load_path.py

@@ -53,6 +53,9 @@ paths="""/	any
 /llmage/llm_dialog.ui	logined
 /llmage/show_same_catelog_llm.ui	logined
 /llmage/model_estimate.dspy	logined
+/llmage/model_plaza.ui	logined
+/llmage/plaza_model_cards.ui	logined
+/llmage/api/get_plaza_models.dspy	logined
 /llmage/show_llms.ui	logined
 /llmage/llmusage	logined
 /llmage/llmusage/update_llmusage.dspy	logined

wwwroot/global_menu.ui

@@ -108,15 +108,9 @@
                         "target": "app.sage_main_content"
                     },
                     {
-                        "name": "listllmprovider",
-                        "label": "供应商模型列表",
-                        "url": "{{entire_url('/llmage/show_llms_by_providers.ui')}}",
-                        "target": "app.sage_main_content"
-                    },
-                    {
-                        "name": "listllm",
-                        "label": "模型列表",
-                        "url": "{{entire_url('/llmage/show_llms.ui')}}",
+                        "name": "model_plaza",
+                        "label": "模型广场",
+                        "url": "{{entire_url('/llmage/model_plaza.ui')}}",
                         "target": "app.sage_main_content"
                     },
                     {