Create dataset loader for Lexibank

[SamuelCahyawijaya]

Dataloader name: lexibank/lexibank.py
DataCatalogue: http://seacrowd.github.io/seacrowd-catalogue/card.html?lexibank

Dataset	lexibank
Description	Lexibank is a public database and repository for lexical data from the languages of the world. Currently, Lexibank contains lexemes and cognate judgments from ~2500 languages. Currently, Lexibank aims to compile basic/core vocabulary, but the ultimate aim is to expand the database to include a full range of lexicon from all the world’s languages.
Subsets	-
Languages	fau, jeh, nia, tmu, wrs
Tasks	Word lists
License	Creative Commons Attribution 4.0 (cc-by-4.0)
Homepage	https://github.com/lexibank/lexibank-analysed/tree/main
HF URL	-
Paper URL	https://www.nature.com/articles/s41597-022-01432-0