* Extended the CV preprocessing section with more details and refactored the example * added padding to the CV section, though it is a special case * Added a tip about post processing methods * make style * link update * Apply suggestions from review Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com> * review feedback Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>