Chat with redux state manager

serg1557733 a0c4f58fcb fix counter + private messeges online and offline 1 rok temu
backend 2384242f40 Merge branch 'new-branch' 1 rok temu
frontend a0c4f58fcb fix counter + private messeges online and offline 1 rok temu
package-lock.json cca472ae25 add media query and some fix 2 lat temu
package.json cca472ae25 add media query and some fix 2 lat temu