[chore] device/input: migrate custom event map to settings dir (#3822)
[chore] device/input: migrate custom event map to settings dir (#3822)


houqp/koreader,Frenzie/koreader,koreader/koreader,Frenzie/koreader,pazos/koreader,NiLuJe/koreader,Hzj-jie/koreader,poire-z/koreader,lgeek/koreader,Markismus/koreader,mwoz123/koreader,koreader/koreader,mihailim/koreader,NiLuJe/koreader,poire-z/koreader