fix(sandbox-provider): use Loading component and add daytona doc link

- Replace hardcoded "Loading..." text with Loading component
- Add daytona documentation link to PROVIDER_DOC_LINKS

web/app/components/header/account-setting/sandbox-provider-page/constants.ts

@@ -49,6 +49,7 @@ export const SANDBOX_FIELD_CONFIGS = {
 
 export const PROVIDER_DOC_LINKS: Record<string, string> = {
   e2b: 'https://e2b.dev/docs',
+  daytona: 'https://www.daytona.io/docs',
   docker: 'https://docs.docker.com/',
   local: '',
 }

web/app/components/header/account-setting/sandbox-provider-page/index.tsx

@@ -3,6 +3,7 @@
 import type { SandboxProvider } from '@/service/use-sandbox-provider'
 import { memo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
+import Loading from '@/app/components/base/loading'
 import { useAppContext } from '@/context/app-context'
 import { useGetSandboxProviderList } from '@/service/use-sandbox-provider'
 import ConfigModal from './config-modal'
@@ -31,7 +32,7 @@ const SandboxProviderPage = () => {
   if (isLoading) {
     return (
       <div className="flex h-40 items-center justify-center">
-        <div className="system-sm-regular text-text-tertiary">Loading...</div>
+        <Loading />
       </div>
     )
   }