Add Chinese localization (#471)

* add zh-CN.yml for chinese

* The files appear to use CRLF line endings instead of LF (Unix-style).

* Add the missing entries to the zh-CN.yml file and include the Simplified Chinese option.

* Fix grammatical errors

Signed-off-by: jiang123574 <jiang123574@163.com>

* Update languages_helper.rb

Signed-off-by: jiang123574 <jiang123574@163.com>

* Update 'SimpleFin' to 'SimpleFIN' in translations

Signed-off-by: jiang123574 <jiang123574@163.com>

* update zh-CN.yml

* update zh-CN.yml

* add new zh-CN.yml

* CodeRabbit comments

* Enable Banking i18n

---------

Signed-off-by: jiang123574 <jiang123574@163.com>
Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>

config/locales/views/application/zh-CN.yml

@@ -0,0 +1,10 @@
+---
+zh-CN:
+  number:
+    currency:
+      format:
+        delimiter: ","
+        format: "%u%n"
+        precision: 2
+        separator: "."
+        unit: "¥"