* Implemented Unit Supply
Unit Supply is a soft cap to number of units. If the number of units of a civilization exceeds the total supply, a production malus (capped at 70%) is applied.
* Warning icon & message for supply deficit
* Implemented Unit Supply - atlas merge
* Unit Supply: Malus->Penalty, lint, sumOf
* Unit Supply: Fresh atlas
Co-authored-by: r3versi <fluo392@gmail.com>