chore(package.json): bump version to finally stable version 4.0.0
chore(package.json): bump version to finally stable version 4.0.0

maxorlovsky/cms,Maxtream/themages-cms,Maxtream/themages-cms,Maxtream/themages-cms,Maxtream/themages-cms,maxorlovsky/cms,maxorlovsky/cms