Update influxdb.env

added all available environmental variables

Author: gcgarner

.templates/influxdb/influxdb.env

@@ -1,7 +1,13 @@
-
+#INFLUXDB_DB=mydb
 INFLUXDB_DATA_ENGINE=tsm1
 INFLUXDB_REPORTING_DISABLED=false
-#INFLUXDB_DB=mydb
+#INFLUXDB_HTTP_AUTH_ENABLED=true
 INFLUXDB_ADMIN_ENABLED=true
+#INFLUXDB_ADMIN_USER=myadminuser
+#INFLUXDB_ADMIN_PASSWORD=myadminpassword
 INFLUXDB_USER=nodered
 INFLUXDB_USER_PASSWORD=nodered
+#INFLUXDB_READ_USER=myreaduser
+#INFLUXDB_READ_USER_PASSWORD=myreadpassword
+#INFLUXDB_WRITE_USER=mywriteuser
+#INFLUXDB_WRITE_USER_PASSWORD=mywritepassword