Chat with redux state manager

serg1557733 0f24abb67a add avatars for messages and users need to refresh 1 rok pred
backend 0f24abb67a add avatars for messages and users need to refresh 1 rok pred
frontend 0f24abb67a add avatars for messages and users need to refresh 1 rok pred
package-lock.json cca472ae25 add media query and some fix 1 rok pred
package.json cca472ae25 add media query and some fix 1 rok pred