Add aknowledgement to jibiki in Readme

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

2eb9f09

nani/app/fastlane/metadata/android/en-US/images
namelast commitdate
featureGraphic.pngAdd images for fdroid pageSat Jun 06 00:15:05+0200 2020
phoneScreenshots/Update screenshotsThu Jun 11 04:21:54+0200 2020