Makes resources more sparse than base game. You will need to use trains much earlier to get resources. Game will be more difficult especially with higher enemy settings.
Tweaks
Mod category: Tweaks
Small changes concerning balance, gameplay, or graphics.
API has been discussed few times and I won't be adding it since it requires quite a lot of work. It would require tons of validation to work and not cause any unexpected errors.
As for your config - it's not a config file. You are trying to edit values from other configs in a way that will not work well or cause some serious unbalacing on ore generation.
I'm not sure why would you like to edit ore allotment but as it is right now I'm not adding this configuration - it's not a configuration per se but attempt to modify things that user can modify by using map settings.