Chat with redux state manager

serg1557733 5a2bf70186 add image sending and files to chat need to fix and simplify 2 vuotta sitten
backend 5a2bf70186 add image sending and files to chat need to fix and simplify 2 vuotta sitten
frontend 5a2bf70186 add image sending and files to chat need to fix and simplify 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