* DOCSUP-2806: Add meta intro.

* DOCSUP-2806: Update meta intro.

* DOCSUP-2806: Fix meta.

* DOCSUP-2806: Add quotes for meta headers.

* DOCSUP-2806: Remove quotes from meta headers.

* DOCSUP-2806: Add meta headers.

* DOCSUP-2806: Fix quotes in meta headers.

* DOCSUP-2806: Update meta headers.

* DOCSUP-2806: Fix link to nowhere in EN.

* DOCSUP-2806: Fix link (settings to tune)

* DOCSUP-2806: Fix links.

* DOCSUP-2806:Fix links EN

* DOCSUP-2806: Fix build errors.

* DOCSUP-2806: Fix meta intro.

* DOCSUP-2806: Fix toc_priority in examples datasets TOC.

* DOCSUP-2806: Fix items order in toc.

* DOCSUP-2806: Fix order in toc.

* DOCSUP-2806: Fix toc order.

* DOCSUP-2806: Fix order in toc.

* DOCSUP-2806: Fix toc index in create

* DOCSUP-2806: Fix toc order in create.
Co-authored-by: Nromanzhukov <romanzhukov@yandex-team.ru>
Co-authored-by: Nalexey-milovidov <milovidov@yandex-team.ru>

* Description of the iLike function

Добавил описание функции iLike и добавил оператор ILIKE.

* Update string-search-functions.md

Changed by comments.

* Update and translation ilike function and ILIKE operator..

Внес поправки в английскую версию и сделал перевод на русский язык.
Co-authored-by: NDmitriy <sevirov@yandex-team.ru>

DOCSUP-1674: Docs for the extractAllGroupsHorizontal and extractAllGroupsVertical functions (English) (#14317)

* Docs for the extractAllGroupsHorizontal and extractAllGroupsVertical functions (English).

* Minor fixes (en).

* Misspelling fixed.

* English docs corrected and translated into Russian.

* English misspelling corrected.
Co-authored-by: NOlga Revyakina <revolg@yandex.ru>
Co-authored-by: NOlga Revyakina <revolg@yandex-team.ru>

* Replace underscores with hyphens

* remove temporary code

* fix style check

* fix collapse

* Simplify 404 page

* add es array_functions.md

* restore some old manual anchors

* update sitemaps

* trigger checks

* restore more old manual anchors

* refactor test.md + temporary disable failure again

* fix mistype

* replace exit with assert in test_single_page

* improve save_raw_single_page docs option

* More grammar fixes

* "Built from" link in new tab

* fix mistype

* Example of include in docs

* add anchor to meeting form

* Draft of translation helper

* WIP on translation helper

* Replace some fa docs content with machine translation

* add normalize-en-markdown.sh

* normalize some en markdown

* normalize some en markdown

* admonition support

* normalize

* normalize

* normalize

* support wide tables

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* lightly edited machine translation of introdpection.md

* lightly edited machhine translation of lazy.md

* WIP on translation utils

* Normalize ru docs

* Normalize other languages

* some fixes

* WIP on normalize/translate tools

* add requirements.txt

* [experimental] add es docs language as machine translated draft

* remove duplicate script

* Back to wider tab-stop (narrow renders not so well)

Rename trigramDistance to ngramDistance, add more functions with CaseInsensitive and UTF, update docs, more job done in perf, added some perf tests for string search that I would like to see