feat: add zombie virus infection as event

[Gaxeer]

Что этот PR делает

Добавляем зомби вирус как случайное мажорное событие.

Почему это хорошо для игры

Хочеца жомби

Тестирование

Зомбей роллит, всё работает как ожидается

Changelog

:cl: add: Случайное событие - заражение зомби вирусом /:cl:

[github-actions[bot]]

This pull request seems to be stale as there have been no changes in 14 days, please make changes within 7 days or the PR will be closed. If you believe this is a mistake, please inform a development team member on Discord.

[github-actions[bot]]

This pull request has not received any updates since being marked stale, and as such is now being automatically closed. Please feel free to re-open this pull request or open a new one once you have new updates.