Document how to view raw data from influx query in CLI

[glinton]

influxdata/influxdb#19433 added functionality to export raw data from influx query

New Flags boolean -r, --raw
New Functionality

$ ./influx query -f /tmp/thing.flux -r 
#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,string,string,string,double,dateTime:RFC3339
#group,false,false,true,true,true,true,true,false,false
#default,mean,,,,,,,,
,result,table,_start,_stop,_field,_measurement,version,_value,_time
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:12:00Z
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:13:00Z
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:14:00Z
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:15:00Z
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:16:00Z
,,0,2020-08-25T19:11:41.138618117Z,2020-08-25T19:16:41.138618117Z,gauge,go_info,go1.13.10,1,2020-08-25T19:16:41.138618117Z