Chat with redux state manager

serg1557733 ba78f41db6 fix send message and add admins funktions, fix bugs %!s(int64=2) %!d(string=hai) anos
backend ba78f41db6 fix send message and add admins funktions, fix bugs %!s(int64=2) %!d(string=hai) anos
frontend ba78f41db6 fix send message and add admins funktions, fix bugs %!s(int64=2) %!d(string=hai) anos