Fixes #4823 and #6005: `yii message` accuracy and error handling were improved by using PHP tokenizer instead of regular expressions. Removed eval() as well.

Update db-dao.md

Minor syntax changes.

update readme.md [skip ci]

Update concept-configurations.md

Update concept-autoloading.md

Update concept-service-locator.md

Fixes #6107 and #6112: `yii message` was emptying existing translations and incorrectly writing not yet translated strings in .po in case of multiple categories

Minor syntax changes.

Minor syntax changes.

Update concept-behaviors.md

Minor syntax changes.

Update concept-events.md

Minor syntax changes.

[skip ci] Update concept-properties.md

[skip ci] Update concept-components.md

Minor syntax changes

Removed unnecessary comma.

[skip ci] Update runtime-logging.md

docs/guide/runtime-requests.md - typo fixed [ci skip]

docs/guide-ja/runtime-requests.md added [ci skip]

Minor syntax changes.

[ci skip] Update runtime-handling-errors.md

Minor syntax changes.

[skip ci] Update runtime-sessions-cookies.md

Added composer.lock

Minor syntax changes.

[skip ci] Update runtime-responses.md

Minor syntax changes.