Chat with redux state manager

serg1557733 cca472ae25 add media query and some fix %!s(int64=2) %!d(string=hai) anos
backend ba78f41db6 fix send message and add admins funktions, fix bugs %!s(int64=2) %!d(string=hai) anos
frontend cca472ae25 add media query and some fix %!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