Add a new currency to the system
| Code | Name | Symbol | Example |
|---|---|---|---|
| USD | US Dollar | $ | $100.00 |
| EUR | Euro | € | €100.00 |
| GBP | British Pound | £ | £100.00 |
| JPY | Japanese Yen | ¥ | ¥100 |
| CAD | Canadian Dollar | C$ | C$100.00 |
| AUD | Australian Dollar | A$ | A$100.00 |
| CHF | Swiss Franc | CHF | CHF 100.00 |
| CNY | Chinese Yuan | ¥ | ¥100.00 |
| INR | Indian Rupee | ₹ | ₹100.00 |
| NZD | New Zealand Dollar | NZ$ | NZ$100.00 |
| BRL | Brazilian Real | R$ | R$100.00 |
| MXN | Mexican Peso | $ | $100.00 |
| SGD | Singapore Dollar | S$ | S$100.00 |
| HKD | Hong Kong Dollar | HK$ | HK$100.00 |
| KRW | South Korean Won | ₩ | ₩100 |