add page start-forms.md
Grammar fix
add start-looking-ahead.md
pull origin
Merge from yiisoft
Merge branch 'master' of github.com:yiisoft/yii2
Removed index-test from codeception instructions since it's used automatically
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