add download badge, fix url
add download badge, fix url

zordius/lightncandy,fadimko/lightncandy,cgvarela/lightncandy,cgvarela/lightncandy,Corollarium/lightncandy,jmgq/lightncandy,fadimko/lightncandy,Southparkfan/lightncandy,vein1992/lightncandy,Corollarium/lightncandy,jmgq/lightncandy,Southparkfan/lightncandy,vein1992/lightncandy,zordius/lightncandy