Chat with redux state manager

serg1557733 62305d639a need to fix private messages array vor 1 Jahr
backend 62305d639a need to fix private messages array vor 1 Jahr
frontend 62305d639a need to fix private messages array vor 1 Jahr
package-lock.json cca472ae25 add media query and some fix vor 2 Jahren
package.json cca472ae25 add media query and some fix vor 2 Jahren