Add more than one language detection

[valerii-delphai]

There are cases in practice when text is bi-lingual or it contains phrases or paragraphs even on several languages. Original fasttext allows to get more than one language detected with predict function parameter k : https://github.com/facebookresearch/fastText/blob/main/python/fasttext_module/fasttext/FastText.py#L183

[thiswillbeyourgithub]

Might be relevant : https://github.com/DoodleBears/split-lang