add sync projectiles

src/Game.h

@@ -10,7 +10,7 @@
 #include "utils/TaskManager.h"
 #include "network/NetworkInterface.h"
 #include <queue>
-
+#include <unordered_set>
 namespace ZL {
 
 	
@@ -105,6 +105,7 @@ namespace ZL {
 		const uint64_t explosionDurationMs = 500;
 
 		bool serverBoxesApplied = false;
+		std::unordered_set<int> deadRemotePlayers;
 	};