Merge branch 'master' of github.com:yiisoft/yii2
add start-databases.md
Grammar fix
Merge pull request #4639 from RichWeber/master

[ci skip][Uk][Guide] Add page translation
Fixes #4622: Simplified the way of creating a Faker fixture template file
minor refactoring. [skip ci]
Fixed condition for #4595
Grammar fixes
Fixed phrase.
Merge pull request #4648 from xBazilio/patch-7

Grammar fixes
add start-gii.md
Grammar fix
Merge pull request #4653 from RichWeber/master

[Uk][Guide] Add page translation
translation into russian language docs/guide/start-gii.md
translate to russian language
Merge pull request #4661 from LAV45/translate-docs-to-ru

[skip ci] Translate docs/guide-ru/start-gii.md to russian language
Fixed typo in comments for generatePasswordHash
Merge pull request #4662 from hwabbott/master

Fixed typo in comments for generatePasswordHash
add structure-overview.md
Fixes #4659: adjusted nginx config in docs to serve 404 instead of "no input file specified" when accessing non-existing PHP file