Initial netdata module configuration and scripts

[stephdl]

This pull request includes updates to the netdata module configuration and scripts. It adds firewall rules for the public service, creates a script to create the traefik path, creates environment variables for netdata registration, adds a destroy-module firewall script, updates the hostname dynamically, removes unnecessary properties from validate-input.json, updates validate-output.json with a required "path" property, removes unnecessary entries from state-include.conf, removes the mariadb-app.service systemd unit file, updates the netdata-app.service to remove unnecessary environment variables and add volume mounts, updates the netdata.service to use port 19999 instead of 80, and refactors the Settings.vue and Status.vue components.