Chat with redux state manager

serg1557733 76e26ddb08 finish first part 2 anni fa
backend ba78f41db6 fix send message and add admins funktions, fix bugs 2 anni fa
frontend 76e26ddb08 finish first part 2 anni fa
package-lock.json cca472ae25 add media query and some fix 2 anni fa
package.json cca472ae25 add media query and some fix 2 anni fa