Initial release of `smartmeter-datacollector-configurator` tool which supports
* creating / modifying a valid configuration for [`smartmeter-datacollector`](https://github.com/scs/smartmeter-datacollector)
* restarting `smartmeter-datacollector`
* optionally controlling a demo of `smartmeter-datacollector` which includes an MQTT broker, Telegraf, InfluxDB and Grafana
**ATTENTION:** `smartmeter-datacollector-configurator` is still in **beta** phase!