MINOR Added gitignore
MINOR Added gitignore

mattclegg/silverstripe-doc-restructuring,NARKOZ/silverstripe-doc-restructuring,mattclegg/silverstripe-doc-restructuring,NARKOZ/silverstripe-doc-restructuring,NARKOZ/silverstripe-doc-restructuring,mattclegg/silverstripe-doc-restructuring,NARKOZ/silverstripe-doc-restructuring,mattclegg/silverstripe-doc-restructuring