You know that feeling. You cleared security, your flight isn’t boarding yet and now you are wandering the airport terminal. You are looking for a seat, an outlet or something to eat that does not feel ridiculously overpriced.At Minneapolis-St. Paul International Airport, a new lounge wants to make that dead time feel a lot less dead. Portal Lounge, a new high-tech airport lounge from the founders of Gameway, opened May 28 at MSP.It blends gaming…