App manifest flow: no way to define logo

I notice that https://developer.github.com/apps/building-github-apps/creating-github-apps-from-a-manifest/#1-you-redirect-people-to-github-to-create-a-new-github-app seems to allow everything about a new app to be predefined except for one field: the logo. There is no apparent way to upload an initial logo as part of the app manifest flow, so the administrator would need to do this manually. Is there any plan to add that option, perhaps as a string field with a URL pointing to a downloadable logo?