added info about pipeline stages

README.md

@@ -12,10 +12,20 @@ Various tools to monitor Docker containers
 
 > Promtail is an agent which ships the contents of local logs to a private Grafana Loki instance or Grafana Cloud. It is usually deployed to every machine that runs applications which need to be monitored.
 
+#### Pipline Stages
+
+- appdaemon
+  - labels `date`. `time`, `level`, `app`, and `msg`
+- zigbee2mqtt
+  - labels `MQTT publish` - `device` and `payload`
+  - categorizes `occupancy` or `contact`
+
 ## Environment Variables
 
 - `DOCKER_INFLUXDB_INIT_ORG`
+  - Designates the InfluxDB organization in `telegraf.conf`
 - `INFLUX_WRITE_TOKEN`
+  - Designates the write token for InfluxDB in `telegraf.conf`
 - `INFLUX_HOST` (optional)
 - `LOKI_HOST` (optional)