Chat with redux state manager

serg1557733 a0c4f58fcb fix counter + private messeges online and offline hai 1 ano
backend 2384242f40 Merge branch 'new-branch' hai 1 ano
frontend a0c4f58fcb fix counter + private messeges online and offline hai 1 ano
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