Add TimesFM to the library

[loveoftheai]

TimesFM

https://blog.research.google/2024/02/a-decoder-only-foundation-model-for.html?m=1

[wuhaixu2016]

Hi, many thanks for your recommendation. This repo mainly focuses on the model architecture design. As for large time series models, you may find this repo useful: https://github.com/thuml/Large-Time-Series-Model