Chat with redux state manager

serg1557733 8fb126354d fix some bugs 2 éve
backend 8fb126354d fix some bugs 2 éve
frontend 8fb126354d fix some bugs 2 éve
package-lock.json cca472ae25 add media query and some fix 2 éve
package.json cca472ae25 add media query and some fix 2 éve