All the localization and graphics into this app's git repo. The translation sync from the F-Droid Weblate will override your translations, and there are other problems. Since you already have fastlane dirs in your project, this should be easy to do:
https://github.com/VREMSoftwareDevelopment/WiFiAnalyzer/tree/master/fastlane/metadata/android/en-US
https://gitlab.com/fdroid/fdroiddata/merge_requests/5372#note_216670495