Addition of Currency Codes

[cliffgor]

Country code currency

========================================

For example the following data https://api.apilayer.com/exchangerates_data/latest

{
  "base": "USD",
  "date": "2023-05-17",
  "rates": {
    "AED": 3.672102,
    "AFN": 87.497294,
    "ALL": 102.302218,
    "AMD": 386.310004,
    "ANG": 1.801776,
    "AOA": 526.495828,
	}
}

[manuelgeek]

rates is something that changes, but the currencies we can add - please create a PR