Chat with redux state manager

serg1557733 1a1775f515 fix start messages array, fix editing messages selector 2 anni fa
backend 1a1775f515 fix start messages array, fix editing messages selector 2 anni fa
frontend 1a1775f515 fix start messages array, fix editing messages selector 2 anni fa
package-lock.json cca472ae25 add media query and some fix 2 anni fa
package.json cca472ae25 add media query and some fix 2 anni fa