1. Login to the CMS as the Administrator
2. Navigate to the /resources/code_sample_templates folder
3. Take a look at the mustache files we've supplied for other languages. That should help you create a mustache file for your target language.
4. Click on “Import New Item” to import your mustache file
5. Modify the file template-language-list.json to add the name of the new template
6. Save the file and click the green arrow to update it