Add empty activities for the two help topics

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

d23cf76

nani/app/furiganatextview/src/test/java
namelast commitdate
eu/Add furiganaMon Apr 15 20:09:48+0200 2019
se/Add furiganaMon Apr 15 20:09:48+0200 2019