fix: replace old top/center/bottom layout with modern VScrollPanel

wwwroot/index.ui

@@ -2,26 +2,39 @@
     "widgettype": "VBox",
     "options": {
         "width": "100%",
-		"height":"100%"
+        "height": "100%",
+        "padding": "0"
+    },
+    "subwidgets": [
+        {
+            "widgettype": "HBox",
+            "options": {
+                "width": "100%",
+                "alignItems": "center",
+                "marginBottom": "16px"
+            },
+            "subwidgets": [
+                {
+                    "widgettype": "Title2",
+                    "options": {
+                        "text": "服务商管理"
+                    }
+                }
+            ]
+        },
+        {
+            "widgettype": "VScrollPanel",
+            "options": {
+                "css": "filler"
             },
             "subwidgets": [
                 {
                     "widgettype": "urlwidget",
                     "options": {
-				"url":"{{entire_url('top.ui')}}"
+                        "url": "{{entire_url('msp_profile.ui')}}"
-			}
-		},
-		{
-			"widgettype":"urlwidget",
-			"options":{
-				"url":"{{entire_url('center.ui')}}"
-			}
-		},
-		{
-			"widgettype":"urlwidget",
-			"options":{
-				"url":"{{entire_url('bottom.ui')}}"
                     }
                 }
             ]
         }
+    ]
+}