Chat with redux state manager

serg1557733 1a1775f515 fix start messages array, fix editing messages selector 2 gadi atpakaļ
backend 1a1775f515 fix start messages array, fix editing messages selector 2 gadi atpakaļ
frontend 1a1775f515 fix start messages array, fix editing messages selector 2 gadi atpakaļ
package-lock.json cca472ae25 add media query and some fix 2 gadi atpakaļ
package.json cca472ae25 add media query and some fix 2 gadi atpakaļ