links to colab training script:
char-level LSTM: https://drive.google.com/file/d/12qK2r1OB_kueQGS3L0Hhj40AGUhAOosJ/view?usp=sharing
word-level LSTM (not in production yet): https://colab.research.google.com/drive/1c5TJQz-L7oOjcY1Nzyqgm2SbNGAJT7GP?usp=sharing