Add aknowledgement to jibiki in Readme

Julien LepillerThu Jun 25 17:03:57+0200 2020

2eb9f09

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