Add script to add new translation to everyfile

translations/add_translation.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -euo pipefail
+
+id="$1"
+translation="$2"
+
+for file in *.json; do
+  head -n -2 "${file}" > "${file}.tmp"
+  echo -e "  },\n  {\n    \"id\": \"${id}\",\n    \"translation\": \"${translation}\"\n  }\n]" >> "${file}.tmp"
+  mv "${file}.tmp" "${file}"
+done