Add total download count to readme
Add total download count to readme

Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,YoukaiCat/imgbrd-grabber,YoukaiCat/imgbrd-grabber,Bionus/imgbrd-grabber