fix links and format [skip ci]
fix wrong file name [skip ci]
Guide-zh-CN intro-yii.md proofread.
Guide-zh-CN intro-upgrade-from-v1.md proofread.
Merge pull request #5 from AbrahamGreyson/master

proofread intro-yii.md and intro-upgrade-from-v1.md
proofreading [skip ci]
proofreading [skip ci]
proofreading [skip ci]
migration fixed
Added missing translation in Polish (confirmation for delete button in grid)
Russian translate concept-service-locator. md

Added Russian translate docs\guide-ru\concept-service-locator.md.
Revert "Russian translate concept-service-locator. md"

This reverts commit 520f65e15bf0bafe9c8c1f293f16620c9ae90f78.
Russian translate concept-service-locator.md

Added Russian translate docs\guide-ru\concept-service-locator.md
fix link [skip ci]
Merge pull request #4157 from Ragazzo/migration_template_fixed

migration fixed
Russian translate concept-service-locator.md

Added Russian translate docs\guide-ru\concept-service-locator.md
Merge pull request #4159 from qiansen1386/patch-11

fix link [skip ci]
Merge pull request #4158 from hubunator/master

[skip ci] Added missing translation in Polish
minor fix [skip ci]
fix typo in phpdoc of yii\redis\Connection [skip ci]