Feature Request

Context

After first installation, on my mobile phone I am using Outlook for Android. And on my Linux desktop, I am using Thunderbird.

Thunderbird has an "archive" feature and automatically creates "Archives" folder in IMAP.
Outlook for Android also has an "archive" feature. But it does not use "Archives" folder created by Thunderbird. It uses a folder named "Archive" which is not even created on IMAP.

Is your Feature Request related to a Problem?

Kind of.

Describe the Solution you'd like

Add "Archives" folder by default.

Are you going to implement it?

Yes, because I know the probability of someone else doing it is low and I can learn from it.

What are you going to contribute?

I changed the config file and verified it works. And it's a simple change.

Additional context

Alternatives you've considered

Should this config change has a feature toggle in the mailserv.env so it won't impact existing users?

Who will that Feature be useful to?

I believe my usage, Outlook for Android and Thunderbird on desktop, is not that unusual.

What have you done already?

I created the working config file and verified it in my installation.