"project_id_env": "CROWDIN_PROJECT_ID"
"api_token_env": "CROWDIN_PERSONAL_TOKEN"
"base_path_env": "CROWDIN_BASE_PATH"
"base_url_env": "CROWDIN_BASE_URL"

"preserve_hierarchy": true

files: [
 {
  "source" : "/client/i18n/locales/english/intro.json",
  "translation" : "/client/i18n/locales/%language%/%original_file_name%"
 },
 {
  "source" : "/client/i18n/locales/english/translations.json",
  "translation" : "/client/i18n/locales/%language%/%original_file_name%"
 }
]