feat: display the version and backend service status on the page (#848)

### What problem does this PR solve?

#643 feat: display the version and backend service status on the page

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/en.ts

@@ -393,6 +393,7 @@ export default {
       model: 'Model Providers',
       modelDescription: 'Set the model parameter and API Key here.',
       team: 'Team',
+      system: 'System',
       logout: 'Log out',
       username: 'Username',
       usernameMessage: 'Please input your username!',