[Feature]: Per-Arena configurations

[hoiw]

Feature description

Making each arenas able to use different configurations, like resource type, game-effects on start and etc.
I think all the arenas always keeping the same configurations all the time make the game a bit boring , as the mechanics in config.yml would always be applied to all the arenas.
Divided configurations in different arenas makes the arena creators to have more space to make each arena more playable, mechanics more diverse in each arena as the map can still use the global configurations if they want ,which can prevent it from being boring, and no need to make all the arenas follow the same configurations all the time.

Is your feature request related to a problem?

No

[Misat11]

This is something we are looking at in the development versions of upcoming version 0.3.0 by introducing variants and configuration containers. Currently, we have no ETA on this version.