Chat with redux state manager

serg1557733 020a278aa3 add procfile heroku 1 rok pred
backend 020a278aa3 add procfile heroku 1 rok pred
frontend c1488232b9 test commit heroku 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