i18n: update config for new tx version

Change-Id: I45046138893118b3821528302fb3a5b2028ab27e

jams-react-client/.tx/config

 [main]
 host = https://www.transifex.com
 
-[jams-jami-account-management-server.translation-json]
-file_filter = public/locales/<lang>/translation.json
+[o:savoirfairelinux:p:jams-jami-account-management-server:r:translation-json]
+file_filter  = public/locales/<lang>/translation.json
+source_file  = public/locales/en/translation.json
+source_lang  = en
+type         = KEYVALUEJSON
 minimum_perc = 0
-source_file = public/locales/en/translation.json
-source_lang = en
-type = KEYVALUEJSON