Add dark theme

Julien LepillerSat Jul 24 02:56:47+0200 2021

5463422

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