Configure chat list table view.

ChatListViewController.swift

private func configureTableView() {
        
        guard let tblChatList = tblChatList else {
            return
        }
        
        tblChatList.onDidSelect = { [weak self] (user: User) in
            
            guard let self = self,
            let name = self.nickName else {
                return
            }
            
            let storyboard = UIStoryboard(name: "chat", bundle: nil)
            
            guard let chatDetailViewController = storyboard.instantiateViewController(withIdentifier: "ChatDetailViewController") as? ChatDetailViewController else{
                return
            }
            chatDetailViewController.user = user
            chatDetailViewController.nickName = name
            self.navigationController?.pushViewController(chatDetailViewController, animated: true)
        }
    }