docs: def from_value(cls, value: str) -> T:
          """Create instance from symbol
          :param value: unique symbol
          :return: This instance
  
          Usage:
  
              >>> from owlmixin.samples import Animal
              >>> Animal.from_value('cat').crow()
              mewing
          """
          return [x for x in cls.__members__.values() if x.value[0] == value][0]