feat(protocol): add dedicated full-text legal protocol page with smooth scroll view and link from login and user center

pwuniapp/pages.json

@@ -28,6 +28,15 @@
         "backgroundColor": "#0A0F1D"
       }
     },
+    {
+      "path": "pages/common/protocol",
+      "style": {
+        "navigationBarTitleText": "服务协议与隐私政策",
+        "navigationBarBackgroundColor": "#0A0F1D",
+        "navigationBarTextStyle": "white",
+        "backgroundColor": "#0A0F1D"
+      }
+    },
     {
       "path": "pages/activity/list",
       "style": {