Permission system

Hi!

I'm running a no BP server, but I wish I could play with blueprints as on a vanilla server (I'm still an amateur in Rust, so I increase the difficulty step by step for myself).  
By default the "blueprintmanager.all" permission is granted to default group.
I tried multiple things:

- removed myself from "default" group (did not take effect, after oxide.reload I was moved to default group again)
- reset blueprints via plugin console command (did not take effect, because after reconnect it checks for permissions again)
- revoked the "blueprintmanager.all" permission from myself, but I got it again after oxide.reload thanks to default group.

So my question is if there is a way to add all users to another group (with the blueprintmanager permission) by default (preferably without a use of a plugin, or a need to develop such a plugin), excluding myself from a group? Or what other ways would you suggest for achieving such a behaviour?

Thanks in advance

if you want everyone get all bp when they join:
- "oxide.grant group default blueprintmanager.all"
or if you just want some specific group just change "default" to name of group you want