1. Update suggestionGeneratorAgent.ts
- Match the suggestions to user's language
2. Add incognito mode
- Allow user to switch on / off incognito mode by webpage toggle or url parameter
- URL Parameter Control
- Accessing `/?incognito=true` automatically enables incognito mode
- Accessing `/?incognito=false` or without parameters will use normal mode
3. Add the history retention feature
- Allow users to set history retention days through config.toml or API endpoints, as well as on the settings page.
4. Add layout mode: Default / Tabs
- Allow users to change default layout mode through config.toml
- Allow users to customize layout mode for each browser through setting page
5. Allow users to change webpage theme by system detection
