fixes #yiisoft/yii#3712

docs/guide-ja/helper-html.md - added [ci skip]

[Uk] Guide corrections [skip ci]

getQueryParam() and getBodyParam() doc edits

- Made yii\web\Request::getQueryParam() and getBodyParam()'s doc blocks more consistent with each other
- getQueryParam() was incorrectly stating that if $name was omitted, all of $_GET would be returned (but $name is required)

docs/guide-ja/helper-array.md - added [ci skip]

docs/guide-ja/helper-overview.md - added [ci skip]

/docs/guide-ja/tutorial-template-engines.md added [ci skip]

Update intro-upgrde-from-v1.md in guide-es [skip ci]

[skip ci] Added and translated documentation file in Russian

Update runtime-routing.md Guide ES [skip ci]

Fixes #6697: Added `yii\helpers\Url::current()` method that allows adding or removing parameters from current URL

Fixes #5690: adjusted paths in message config generated by `yii message/config` to reflect directory structure better

Add mimeTypes Arabic validation message

Add mimeTypes Arabic validation message