[Feature Request] Import/export settings

Is your feature request related to a problem?

When you reinstall the application or install it on another device, all settings are reset and you have to restore them manually, which is inconvenient.

Describe the solution you'd like

Ability to import and export settings.

Describe alternatives you've considered

Telegram will automatically save the settings in its cloud and offer to restore the previous settings when reinstalling.

Additional context