[Feature Request] Import an existing database from another Operating System

Summary:
I have searched but could not find this anywhere.

I have a second hard drive onto which I have saved the rules database. This was created and rules had been added to over a period of time using Fedora.
On a separate partition on the first hard drive I have another OS, Arch. When I try and import the existing rules database within the second OS Opensnitch asks whether I want to overwrite the existing database, which I don't. I know I can import existing rules using a csv, which whilst being a useful function, it means I may then have to repeat the exercise of adding rules that I'd already created within the first OS.
Can we add the facility to import (rather than overwrite) an existing database?