Added funktion for cookies,
Fixed path in app/urls.py
added something to settings.py
imported inMount
updated package-lock.json and package.json

and added new file in backend "influxdb_service"
where we can get data from the database but still
need to be implemented right and fixed

so that we can start the project from their

gemacht. timestamp muss noch angepasst werden

MQTTClientHandler: added some comments, modified write point. Main.py: added logger still need to be used and so...