Import/Export Settings section should have information about how it handles adding or overwriting data

[MaximilianKohler]

Requirements

• This is a feature request and not a bug report. Otherwise, please create a new bug report instead.
• Please check to see if this request (or a similar one) already exists.
• It's a single feature. Please don't request multiple features in one issue.

Describe the feature you'd like

The Import/Export Settings section should have information about how it handles adding or overwriting data. I read on a 3rd party site that Lemmy's import is additive in nature and doesn't overwrite anything, and that's what gave me the confidence to try it. But that information should be in the Lemmy settings area, and I also don't want certain things added to blank entries. For example, nearly everything in the first section of the json before it starts the followed_communities.

"display_name":xxx,"bio":xxx,"avatar":xxx,"banner":xxx,"matrix_id":xxx,"bot_account":false,"settings":{"id":xxx,"person_id":xxx,"email":"xxx",

Etc.