Chat with redux state manager

serg1557733 bf0c75916f add manifest file for pwa 1 vuosi sitten
backend bf0c75916f add manifest file for pwa 1 vuosi sitten
frontend bf0c75916f add manifest file for pwa 1 vuosi sitten
package-lock.json cca472ae25 add media query and some fix 1 vuosi sitten
package.json cca472ae25 add media query and some fix 1 vuosi sitten