[PicaMetrics] Fix exemple secret values

pica-metrics-bot/entrypoint.sh

@@ -33,5 +33,6 @@ INTERVAL_SECONDS=${INTERVAL_SECONDS:-60}
 while :
 do
   python3 main.py
+	echo "$(date) : Gathering stats..."
   sleep $INTERVAL_SECONDS
 done

pica-metrics-bot/secrets/account.secrets.example

-INFLUXDB_USER=user
+INFLUXDB_USER=picasoft-write
 INFLUXDB_PASSWORD=password
 MATTERMOST_USER=user
 MATTERMOST_PASSWORD=password