feat(wip): GameUnitConstrint

hwe/sammo/GameUnitConstraint/BaseGameUnitConstraint.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\General;
+
+abstract class BaseGameUnitConstraint {
+    public abstract function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool;
+
+    public abstract function getInfo(): string;
+}