Add empty activities for the two help topics

Julien LepillerSat Jun 06 19:35:19+0200 2020

d23cf76

nani/app/furiganatextview/src/androidTest/java
namelast commitdate
eu/Switch to AndroidXSat Apr 25 23:54:54+0200 2020
se/Add furiganaMon Apr 15 20:09:48+0200 2019