pub(crate) async fn msg_add_member_local(
    context: &Context,
    added_member_addr: &str,
    by_contact: ContactId
) -> String
Expand description

Stock string: You added member %1$s. or Member %1$s added by %2$s..

The added_member_addr parameter should be an email address and is looked up in the contacts to combine with the display name.