public async Task AddToGroup(string groupName, string userName)
{
var connectionId = Context.ConnectionId;
await Groups.AddToGroupAsync(connectionId, groupName); //todo move to confirm player login - to add to group only once confirmed
_roomConnections.AddToRoom(groupName, connectionId, userName);
await Clients.Group(groupName).SendAsync("RecieveNewPlayerMaster", connectionId, userName);
}