Add new suppress flags to man page

contrib/man/exa.1

@@ -182,6 +182,26 @@ use the created timestamp field
 .RS
 .RE
 .TP
+.B \-\-no\-permissions
+suppress the permissions field
+.RS
+.RE
+.TP
+.B \-\-no\-filesize
+suppress the filesize field
+.RS
+.RE
+.TP
+.B \-\-no\-user
+suppress the user field
+.RS
+.RE
+.TP
+.B \-\-no\-time
+suppress the time field
+.RS
+.RE
+.TP
 .B \-\@, \-\-extended
 list each file\[aq]s extended attributes and sizes
 .RS