Chat with redux state manager

serg1557733 3be33a4e2b fix some bugs %!s(int64=2) %!d(string=hai) anos
backend 8fb126354d fix some bugs %!s(int64=2) %!d(string=hai) anos
frontend 3be33a4e2b fix some bugs %!s(int64=2) %!d(string=hai) anos
package-lock.json cca472ae25 add media query and some fix %!s(int64=2) %!d(string=hai) anos
package.json cca472ae25 add media query and some fix %!s(int64=2) %!d(string=hai) anos