Implements running from battle.

src/Battling/Models/BattleSide.hpp

@@ -15,6 +15,7 @@ namespace CreatureLib::Battling {
         uint8_t _choicesSet = 0;
         ScriptSet _volatile;
         Battle* _battle;
+        bool _hasFled = false;
 
     public:
         explicit BattleSide(uint8_t index, Battle* battle, uint8_t creaturesPerSide)
@@ -74,6 +75,10 @@ namespace CreatureLib::Battling {
             }
             return true;
         }
+
+        bool HasFled() { return _hasFled; }
+
+        void MarkAsFled() { _hasFled = true; }
     };
 }