[Kobo] Add preliminary Kobo Aura H2O2 definition (#3372)
[Kobo] Add preliminary Kobo Aura H2O2 definition (#3372)

Cf. ongoing discussion in KSM8 thread: https://www.mobileread.com/forums/showthread.php?p=3596020#post3596020
mwoz123/koreader,pazos/koreader,Frenzie/koreader,apletnev/koreader,Hzj-jie/koreader,houqp/koreader,NiLuJe/koreader,lgeek/koreader,mihailim/koreader,poire-z/koreader,poire-z/koreader,NiLuJe/koreader,koreader/koreader,koreader/koreader,Frenzie/koreader,Markismus/koreader