Added polish guide
Update rest-rate-limiting.md

Чуть улучшил ясность написанного.
Update rest-rate-limiting.md
[NL] Updated translations
Merge pull request #5154 from bedezign/master

[skip ci] [NL] Updated translations
Merge pull request #5148 from githubjeka/patch-1

[ci skip] Updated RUS TRANSLATION rest-rate-limiting.md
added missing documentation about the NOT operator in Query

fixes #5147
ignore invalid date format and just display value as is

fixes #5155
reverted addition of $where property
doc typo

fixes #5147
[ci skip]
Fixes #5147: null is not handled correctly for arbitrary operator in SQL.
fixes for sphinx.
added docs for #5147
Update finnish translation
Merge pull request #5161 from janisto/message_fi_update-4

[skip ci] Update finnish translation
Merge branch 'pl-docs' of https://github.com/Skysplit/yii2 into pl-docs
Update readme.md [ci skip]
Fix PHPDoc [skip ci]
Update polish messages [ci skip]
Merge pull request #5165 from Skysplit/pl-docs

[skip ci] Updated polish docs(README.md) and framework messages