Chat with redux state manager

serg1557733 33472077a6 add youtube video regexp and visualisation %!s(int64=2) %!d(string=hai) anos
backend 49007ab1d5 add userTyping socket event and visual element to front %!s(int64=2) %!d(string=hai) anos
frontend 33472077a6 add youtube video regexp and visualisation %!s(int64=2) %!d(string=hai) anos
package-lock.json cca472ae25 add media query and some fix %!s(int64=2) %!d(string=hai) anos
package.json cca472ae25 add media query and some fix %!s(int64=2) %!d(string=hai) anos