readme: you can use this model with simpletransfomers.
  ```
  !pip install simpletransformers
  from simpletransformers.t5 import T5Model
  
  model = T5Model("mt5", "AimB/mT5-en-kr-natural")
  print(model.predict(["I feel good today"]))
  print(model.predict(["우리집 고양이는 세상에서 제일 귀엽습니다"]))
  ```