a26622c550
- Replaced the `getCurrentRates` method with `runAllFetchs` to dispatch fetching jobs for currency and gold rates synchronously. - Added `getAllRates`, `getGoldRates`, and `getGoldRateByName` methods to improve data retrieval from respective JSON files. - Updated error messages for clarity and consistency. - Streamlined JSON file handling by using variables for file paths, enhancing maintainability. These changes improve the CurrencyController's functionality and organization, facilitating better management of financial data.