/// <summary>
/// Add user to User Tracker data store. This would be called when a user joins the chat hub.
/// </summary>
/// <param name="connection">The hub connection context.</param>
/// <param name="userInfo">The user information</param>
/// <returns>The task.</returns>
public async Task AddUserAsync(HubConnectionContext connection, UserInformation userInfo)
{
//// Add the connection and user to the local storage.
onlineUserStore.TryAdd(connection, userInfo);
await Task.CompletedTask;
}
