feat: add ModelAccess to settings page (#29)

* feat: Update site name to DataMate and refine text for AI data processing

* feat: Refactor settings page and implement model access functionality

- Created a new ModelAccess component for managing model configurations.
- Removed the old Settings component and replaced it with a new SettingsPage component that integrates ModelAccess, SystemConfig, and WebhookConfig.
- Added SystemConfig component for managing system settings.
- Implemented WebhookConfig component for managing webhook configurations.
- Updated API functions for model management in settings.apis.ts.
- Adjusted routing to point to the new SettingsPage component.

frontend/src/pages/DataManagement/Home/DataManagement.tsx

@@ -51,11 +51,11 @@ export default function DatasetManagementPage() {
         },
         {
           title: "文件总数",
-          value: data?.totalFiles || "0 MB",
+          value: data?.totalFiles || 0,
         },
         {
           title: "总大小",
-          value: formatBytes(data?.totalSize) || 0,
+          value: formatBytes(data?.totalSize) || '0 B',
         },
       ],
       count: [