Chat with redux state manager

serg1557733 91b01cda95 add media resize il y a 2 ans
backend ba78f41db6 fix send message and add admins funktions, fix bugs il y a 2 ans
frontend 91b01cda95 add media resize il y a 2 ans
package-lock.json 91b01cda95 add media resize il y a 2 ans
package.json 91b01cda95 add media resize il y a 2 ans