validation for company
offer validator
validation in command invoker
method validate in commnad
validation for  addOfferCommand
addOfferRandomUserInput method in testHelper
refactoring in tests
adding offer and comapny
setting createDate in offer during creation
adding slug to offer
using existing company when create new offer
added env for tests
added mail service
Merge branch 'offerCommands' of https://github.com/zdalniacy/zdalniacy.pl into offerCommands
sending email to user when offer was added
method sendEmailToModerators in emailService
sending email to moderator after adding new offer
creation approve offer url
sanitization added to offer and company
addOffer in offerController