Normalize spacing in flag help text.
Normalize spacing in flag help text.

Use github.com/kr/text.{Wrap,Indent} to normalize wrapping and
indentation of flag help text.

nieyy/cockroach,cockroachdb/cockroach,vivekmenezes/cockroach,nieyy/cockroach,arjun4084346/cockroach,sunya123/cockroach,arjun4084346/cockroach,bg451/cockroach,petermattis/cockroach,paperstreet/cockroach,glycerine/cockroach,maxlang/cockroach,petermattis/cockroach,paperstreet/cockroach,cuongdo/cockroach,bg451/cockroach,vivekmenezes/cockroach,marcuswestin/cockroach,glycerine/cockroach,paperstreet/cockroach,il9ue/cockroach,sunya123/cockroach,cockroachdb/cockroach,bg451/cockroach,vaibhavarora/cockroach,arjun4084346/cockroach,veteranlu/cockroach,il9ue/cockroach,sunya123/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,cuongdo/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,sunya123/cockroach,petermattis/cockroach,il9ue/cockroach,cockroachdb/cockroach,maxlang/cockroach,vivekmenezes/cockroach,glycerine/cockroach,cuongdo/cockroach,marcuswestin/cockroach,vaibhavarora/cockroach,nieyy/cockroach,veteranlu/cockroach,marcuswestin/cockroach,sunya123/cockroach,veteranlu/cockroach,maxlang/cockroach,vivekmenezes/cockroach,marcuswestin/cockroach,sunya123/cockroach,vivekmenezes/cockroach,cuongdo/cockroach,bg451/cockroach,marcuswestin/cockroach,paperstreet/cockroach,marcuswestin/cockroach,il9ue/cockroach,sunya123/cockroach,veteranlu/cockroach,petermattis/cockroach,petermattis/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,glycerine/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,veteranlu/cockroach,marcuswestin/cockroach,paperstreet/cockroach,cockroachdb/cockroach,il9ue/cockroach,maxlang/cockroach,cockroachdb/cockroach,veteranlu/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,petermattis/cockroach,maxlang/cockroach,bg451/cockroach,bg451/cockroach,il9ue/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,cuongdo/cockroach,veteranlu/cockroach,cuongdo/cockroach,maxlang/cockroach,cuongdo/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,glycerine/cockroach,cuongdo/cockroach,maxlang/cockroach,petermattis/cockroach,nieyy/cockroach,petermattis/cockroach,nieyy/cockroach,veteranlu/cockroach,glycerine/cockroach,il9ue/cockroach,glycerine/cockroach,il9ue/cockroach,nieyy/cockroach,nieyy/cockroach,arjun4084346/cockroach,bg451/cockroach,glycerine/cockroach,maxlang/cockroach,sunya123/cockroach,vaibhavarora/cockroach,marcuswestin/cockroach,cockroachdb/cockroach,nieyy/cockroach,arjun4084346/cockroach