Documentation: Setup Docker Containers

[ong-yi-xuan]

Step-by-step guide on how to setup the docker containers on Google Cloud for handover to the end-user to allow them to reproduce the observation environment.

[ong-yi-xuan]

documentation for the following completed by @Yapping72:

• Initial Docker setup on Cloud: https://github.com/danialhbma/ITP-SE12-Power-Monitoring/tree/main/docker-containers
• Eclipse Mosquitto Broker: https://github.com/danialhbma/ITP-SE12-Power-Monitoring/tree/main/docker-containers/eclipse-mosquitto-docker
• Grafana: https://github.com/danialhbma/ITP-SE12-Power-Monitoring/tree/main/docker-containers/grafana-docker
• NodeRED: https://github.com/danialhbma/ITP-SE12-Power-Monitoring/tree/main/docker-containers/nodered-docker

[ong-yi-xuan]

added eclipse mosquitto broker authentication setup to readme

[ong-yi-xuan]

• added nginx readme: https://github.com/danialhbma/ITP-SE12-Power-Monitoring/tree/main/docker-containers/nginx-docker
• added plugin installation to grafana readme