- Restructured the `common.changeLanguage` key to be nested under a `common` object in `en.json`, `fr.json`, and `zh.json`. - This change improves the organization of the translation files and aligns with best practices for i18next.
- Restructured the `common.changeLanguage` key to be nested under a `common` object in `en.json`, `fr.json`, and `zh.json`. - This change improves the organization of the translation files and aligns with best practices for i18next.