Add LTW2V to pythainlp.word_vector

[wannaphong]

Detailed description

Add LTW2V: The Large Thai Word2Vec to pythainlp.word_vector

Context

Now, We have new thai word2vec. I think we should add LTW2V to pythainlp.word_vector.

Possible implementation

OOP class?

Your environment

• PyThaiNLP version:
• Python version:
• Operating system and version (distro, 32/64-bit):
• More info (Docker, VM, etc.):

LTW2V: The Large Thai Word2Vec: https://github.com/PyThaiNLP/large-thaiword2vec