static UserAccounts()
 {
     if (DateStorage.SaveExists(accountsFile))
     {
         accounts = DateStorage.LoadUserAccounts(accountsFile).ToList();
     }
     else
     {
         accounts = new List <UserAccount>();
         SaveAccounts();
     }
 }
 public static void SaveAccounts() => DateStorage.SaveUserAccounts(accounts, accountsFile);