Chat with redux state manager

serg1557733 f8fdbea920 add loading progres spiner first stage 2 anni fa
backend e9d57662c6 fix file sending reducer 2 anni fa
frontend f8fdbea920 add loading progres spiner first stage 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