Chat with redux state manager

serg1557733 0f24abb67a add avatars for messages and users need to refresh 2 vuotta sitten
backend 0f24abb67a add avatars for messages and users need to refresh 2 vuotta sitten
frontend 0f24abb67a add avatars for messages and users need to refresh 2 vuotta sitten
package-lock.json cca472ae25 add media query and some fix 2 vuotta sitten
package.json cca472ae25 add media query and some fix 2 vuotta sitten