[FR] Option to select local storage path on Android

[samar1h]

Description

This feature, which enables users to select a local storage path like in Obsidian, currently doesn't work on Android.

Impact

Android users would likely benefit from having this feature implemented.

Additional Context

For further details, see: https://github.com/AppFlowy-IO/AppFlowy/issues/669#issuecomment-1588676573