This plugin is used to set the default theme for your users when they create their account.
- Create a custom theme in your user settings: Settings -> Display -> Theme. You can find some example custom themes here.
- Copy the JSON representation for the theme you would like to make the default.
- Navigate to the settings page for this plugin in the system console.
- Paste the JSON string into the "Default Theme" config setting.
When any new account is created, the new user will have their theme set to this value.