Chat with redux state manager

serg1557733 472afbdeab fix private messeges online and offline vor 1 Jahr
backend 472afbdeab fix private messeges online and offline vor 1 Jahr
frontend 472afbdeab fix private messeges online and offline vor 1 Jahr
package-lock.json cca472ae25 add media query and some fix vor 1 Jahr
package.json cca472ae25 add media query and some fix vor 1 Jahr