Chat with redux state manager

serg1557733 55992529b6 add serwiceworker template and swregistration for pwa hai 1 ano
backend bf0c75916f add manifest file for pwa hai 1 ano
frontend 55992529b6 add serwiceworker template and swregistration for pwa hai 1 ano
package-lock.json cca472ae25 add media query and some fix hai 1 ano
package.json cca472ae25 add media query and some fix hai 1 ano