kodev: add active command
kodev: add active command

NiLuJe/koreader,koreader/koreader,mihailim/koreader,koreader/koreader,houqp/koreader,apletnev/koreader,poire-z/koreader,NiLuJe/koreader,mwoz123/koreader,pazos/koreader,lgeek/koreader,robert00s/koreader,Frenzie/koreader,Markismus/koreader,NickSavage/koreader,poire-z/koreader,chihyang/koreader,Hzj-jie/koreader,Frenzie/koreader,frankyifei/koreader