add structure-overview.md
add structure-entry-scripts.md
Grammar fix
Merge branch 'master' of github.com:yiisoft/yii2
Merge branch 'master' of github.com:yiisoft/yii2
add structure-applications.md
Merge branch 'master' of github.com:yiisoft/yii2
Grammar fix
Merge pull request #4863 from RichWeber/master

[ci skip] [Uk][Guide] Add pages translation