public MainWindowViewModel()
 {
     ShowInGitHubCommand = new Command(() => Process.Start("https://github.com/RolandPheasant"));
     Employees           = new EmployeesViewModel(new EmployeeService());
 }
 public MainWindowViewModel()
 {
     ShowInGitHubCommand = new Command(() => Process.Start("https://github.com/RolandPheasant"));
     Employees = new EmployeesViewModel(new EmployeeService());
 }