Chat with redux state manager

serg1557733 b95b4871bf fix usersonline and twice socket connections need to test пре 2 година
backend b95b4871bf fix usersonline and twice socket connections need to test пре 2 година
frontend 159183f677 fix editing messages, fix array users back пре 2 година
package-lock.json cca472ae25 add media query and some fix пре 2 година
package.json cca472ae25 add media query and some fix пре 2 година