Update i18n files and add C# syntax highlighting support

Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

Author: Copilot

website/docusaurus.config.js

@@ -127,6 +127,7 @@ const config = {
       prism: {
         theme: prismThemes.github,
         darkTheme: prismThemes.dracula,
+        additionalLanguages: ['csharp', 'bash', 'json'],
       },
     }),
 };