add basic types and fix cmake

src/lib/config/StationsConfig.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "Formula.h"
+
+// REQ-HQ-STATS. HP may become a formula of player level later; for now the
+// requirement only lists hp so we store a formula that callers evaluate at 0.
+struct HqConfig
+{
+    std::vector<std::string> surfaceMask;
+    Formula hpFormula;
+};
+
+// REQ-DEF-PLAYER-FIRE. Stats are formulas of a fixed station level.
+struct PlayerStationConfig
+{
+    std::vector<std::string> surfaceMask;
+    int level;
+    Formula hpFormula;
+    Formula damageFormula;
+    Formula rangeFormula;
+    Formula fireRateFormula;    // shots per second
+    Formula scrapDropFormula;
+};
+
+// REQ-PSH-STATION-STATS. Stats are formulas of the station generation level,
+// which increments each time a new set is placed.
+struct EnemyStationConfig
+{
+    std::vector<std::string> surfaceMask;
+    Formula hpFormula;
+    Formula damageFormula;
+    Formula rangeFormula;
+    Formula fireRateFormula;
+    Formula scrapDropFormula;
+};
+
+struct StationsConfig
+{
+    HqConfig hq;
+    PlayerStationConfig playerStation;
+    EnemyStationConfig enemyStation;
+};