Chore: solved some todos

handlers/game.go

@@ -135,11 +135,14 @@ func HandleStartGame(w http.ResponseWriter, r *http.Request) {
 		abortWithError(w, err.Error())
 		return
 	}
-	// TODO: check if enough players; also button should be hidden if already running
+	// check if enough players
+	if err := fi.Room.CanStart(); err != nil {
+		abortWithError(w, err.Error())
+		return
+	}
 	fi.Room.IsRunning = true
 	fi.Room.IsOver = false
 	fi.Room.TeamTurn = "blue"
-	// fi.Room.LoadTestCards()
 	loadCards(fi.Room)
 	fi.Room.UpdateCounter()
 	fi.Room.TeamWon = ""