How to add sdcard to fresh murane fairfone4 so all userdata of all apps gets there?

[aibd]

A link from the “manual” of AOSP.

• https://source.android.com/docs/core/storage

Thise link aimed at app developers

• https://developer.android.com/guide/topics/data/install-location

and the /e/OS

• https://gitlab.e.foundation/e/os

The official getting started page

• Getting Started on /e/OS