spanish docs structure-extensions
Merge pull request #6338 from larnu/master

spanish docs structure-extensions [skip ci]
updated docs about plural rules

fixes #6321
added code hightlight
Improved description of how Yii handles plural rules
docs/guide/runtime-routing.md - fix [ci skip]
Merge pull request #6340 from softark/docs-guide-fix

docs/guide/runtime-routing.md - fix [ci skip]
further imrpovements to plural rules
docs/guide-ja/runtime revised [ci skip]

close #6341
Error in documentation

Method clientLink no returns data. In the example of the use of manual output clients in the loop you need to use <?php instead of <?=
Merge pull request #6342 from PiloTeZ/patch-1

[skip ci] Error in documentation
added support for DateTimeImmutable to Formatter

fixes #5503
Update start-workflow.md
spanish docs Properties
Merge pull request #6344 from uagrace/patch-1

[ci skip] Update start-workflow.md
Merge pull request #6346 from larnu/spanish_docs

spanish docs Properties [skip ci]
Update mongodb-setup.sh

show PHP extension version
Fix typos in ArrayHelper guide [skip ci]

close #6349
docs/guide-ja/db-dao.md - prepared for translation [ci skip]
docs/guide-ja/db-dao.md - completed [ci skip]