add a helper scripts to export translations to XLIFFs

.gitignore

@@ -1,3 +1,4 @@
+xliffs/
 /.env
 /dist/
 /flow-typed/

scripts/download-xliffs.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+
+if [ -z "$CROWDIN_TOKEN" ]; then
+  echo "CROWDIN_TOKEN env required" >&2
+  exit 1
+fi
+
+rm -rf xliffs
+mkdir xliffs
+cd xliffs
+
+for lang in fr es-ES zh-CN ja ko ru; do
+  curl "https://api.crowdin.com/api/project/ledger-wallet/export-file?file=develop/static/i18n/en/app.json&language=$lang&format=xliff&key=$CROWDIN_TOKEN" > en-$lang.xliff
+done
+
+zip -r ledger-live-langs.zip *.xliff