CSV output HEADERS control

[jidanni]

Feature description

One can control HEADERS on CSV input, but not CSV output.

Additional context

• https://gdal.org/drivers/vector/csv.html#open-options
  • SEPARATOR=[AUTO/COMMA/SEMICOLON/TAB/SPACE/PIPE]
  • HEADERS=[YES/NO/AUTO]
• https://gdal.org/drivers/vector/csv.html#layer-creation-options
  • SEPARATOR=[COMMA/SEMICOLON/TAB/SPACE]
  • No HEADERS control provided. Must use "sed 1d" etc. to remove them.