Add `Condition`, bump php8.1

Add `Condition`, bump php8.1

tag 0.7

[skip ci] Update CHANGELOG.md

Visualize erorrs on YII_ENV_DEV

Codestyle update

Rename param Offer->sale_notes => sales_notes. Resolve: #9

fixed OfferModelTest::testValidateVendor()

Added YandexMarketYmlModuleTest

updated README.md