Chat with redux state manager

serg1557733 3134362900 add dataReducer and private chat header v1 and fix some bugs with socket 1 vuosi sitten
backend 93cb1909f1 fix main chat and some dispatch events 1 vuosi sitten
frontend 3134362900 add dataReducer and private chat header v1 and fix some bugs with socket 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