Chat with redux state manager

serg1557733 9b9fcb1af3 clean and fix reducer and socket connection 1 vuosi sitten
backend 9b9fcb1af3 clean and fix reducer and socket connection 1 vuosi sitten
frontend 9b9fcb1af3 clean and fix reducer and socket connection 1 vuosi 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