Add Laya Multilingual to pythainlp.classify

[wannaphong]

Laya is a Jev-like model that can do any classification task by using prompt and chose without any training. I think we should add Laya Multilingual (support Thai) to pythainlp.classify.

• Model: https://huggingface.co/mizchi/laya-multilingual-onnx
• onnx: https://huggingface.co/pythainlp/laya-multilingual-onnx