docs: def command(self, profile=False):
          """This is a Flask-Script like decorator, provide functionality like
          @manager.command
          def foo():
              pass
  
          @manager.command
          def foo(first_arg, second_arg, first_option=True, second_option=3):
              pass
          """
          def wraped(func):
              assert inspect.isfunction(func)
  
              self._commands[func.__name__] = Command(func, profile)
              self._commands_list.append(func.__name__)
  
              return func
          return wraped