Chat with redux state manager

serg1557733 312849f3b0 fix onlineUsers and styles 1 anno fa
backend 312849f3b0 fix onlineUsers and styles 1 anno fa
frontend 312849f3b0 fix onlineUsers and styles 1 anno 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