feat(knowledge): restructure knowledge base pages and components

- Implement new setting and testing pages with breadcrumbs

src/pages/knowledge/components/FloatingActionButtons.tsx

@@ -1,9 +1,10 @@
 import React from 'react';
 import { SpeedDial, SpeedDialAction } from '@mui/material';
 import { 
-  Settings as SettingsIcon,
+  Dashboard as DashboardIcon,
   Search as TestIcon,
   Settings as ConfigIcon,
+
 } from '@mui/icons-material';
 
 interface FloatingActionButtonsProps {
@@ -42,7 +43,7 @@ const FloatingActionButtons: React.FC<FloatingActionButtonsProps> = ({
           },
         },
       }}
-      icon={<SettingsIcon />}
+      icon={<DashboardIcon />}
     >
       {actions.map((action) => (
         <SpeedDialAction