- `disable_title`, a boolean value, when set to `true`, it disable the app title and set the app icon to hamburger

- `disable_external_links`, a boolean value when set to `true`, it disables the external link popup

and hides the external links preference from the settings.

- `about_the_app`, a URL, when it is set, it adds an `About app_name app` item to the sidebar

`app_name` will be replaced with the actual app name. Clicking it opens the URL in an external web browser

- `support_url`, a URL, when it is set, it adds an `Support app_name` item to the sidebar

"disable_external_links": true,

"about_app_url": "https://www.dwds.de/a/",

"upload_bundle": true,

"kiwix-android_revision": "latest"

}