i18n: crowdin integration

crowdin.yml

@@ -0,0 +1,12 @@
+project_id_env: CROWDIN_PROJECT_ID
+api_token_env: CROWDIN_PERSONAL_TOKEN
+base_path: .
+preserve_hierarchy: true
+
+files:
+  - source: /locales/zh-CN/*.json
+    translation: /locales/%locale%/%original_file_name%
+    languages_mapping:
+      locale:
+        en-US: en-US
+        ja: ja