translated
translated
Merge pull request #3867 from riverlet/zh-CN-translate-0604

Chinese guide
Fix mantain the code in english for start-hello.md
Spanish translation of start-forms.md
Create db-active-record
Create db-dao.md

暂未校对
Merge pull request #3873 from SuperPuppet/patch-2

Create db-dao.md
Merge pull request #3872 from SuperPuppet/patch-1

Create db-active-record.md
undo changes
updated FileValidator , CHANGELOG.md , UPGRADE.md guides , tests fixed
fixed CHANGELOG notes
Merge pull request #3871 from oliversd/master

Fix in start-hello.md and spanish translation of start-forms.md
Merge pull request #3866 from Ragazzo/file_validator_type_check_against_mime_type

type validation adjusted
refactored file validator.
Drafted german guide index file

to be adjusted while translating chapters.
Added missing "Yii" to index page of Russian docs
Added "validation events" section [skip ci]
Spanish guide polish and start-looking-head.md [skip ci]
Merge pull request #3875 from lucianobaraglia/translation-es

Spanish guide polish and start-looking-head.md [skip ci]
Adds twig lexerOptions to ViewRendererTest to demonstrate error