Chat with redux state manager

serg1557733 0d484e2918 add db private messages 2 lat temu
backend 0d484e2918 add db private messages 2 lat temu
frontend 0d484e2918 add db private messages 2 lat 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