back to lobby state when server ends

include/server/Lobby.h

@@ -12,7 +12,7 @@ class Server;
 class Lobby {
 private:
 	Server* m_Server;
-	bool m_GameStarted = false;
+	bool m_LobbyOpened = false;
 	std::uint64_t m_StartTimerTime = 0;
 	std::vector<std::uint8_t> m_Players;
 	utils::AutoTimer m_Timer;
@@ -22,6 +22,8 @@ public:
 	void OnPlayerJoin(std::uint8_t playerID);
 	void OnPlayerLeave(std::uint8_t playerID);
 
+	void OpenLobby();
+
 	void SendTimeRemaining();
 
 	void Tick();