[new]: detect_lang(text)

[pocman]

Check the idea has not already been suggested

• I could not find my idea in existing issues

Edit the title above with self-explanatory function name and argument names

• The function name and the argument names I entered in the title above seems self explanatory to me.

BigFunction Description as it would appear in the documentation

Detect the language of the text using langdetect.
langdetect supports 55 languages out of the box (ISO 639-1 codes):

af, ar, bg, bn, ca, cs, cy, da, de, el, en, es, et, fa, fi, fr, gu, he,
hi, hr, hu, id, it, ja, kn, ko, lt, lv, mk, ml, mr, ne, nl, no, pa, pl,
pt, ro, ru, sk, sl, so, sq, sv, sw, ta, te, th, tl, tr, uk, ur, vi, zh-cn, zh-tw

Examples of (arguments, expected output) as they would appear in the documentation

text=War doesn't show who's right, just who's left. --> en
text=Ein, zwei, drei, vier --> de

[unytics]

Excellent idea @pocman

What do you think of using a javascript library for this function such as franc to get faster results (javascript udf do not need to have cloud run resources deployed)?