added almost all services from fritzcollectd

[bb-Ricardo]

this PR adds/fixes following:

• fix indentation
• added cli option -c to define a config file and added shebang
• add check if influx db exists and if creation of database worked
• added unauthorized fritzbox handler
• added new services, added auth/unauth services
• improved influxdb write and moved measurement_name to influx section in config
• added function to sanatize retun data
• added signal SIGINT to signal handler
• added systemd unit file and updated readme
• added cli debug option -d and enhanced logging

[bb-Ricardo]

added Grafana dashboard

[NerdyProjects]

Wow, thanks :-)