Chat with redux state manager

serg1557733 67848f347e new mobile version test il y a 1 an
backend 67848f347e new mobile version test il y a 1 an
frontend 67848f347e new mobile version test il y a 1 an
package-lock.json cca472ae25 add media query and some fix il y a 1 an
package.json cca472ae25 add media query and some fix il y a 1 an