Add more support for African countries

[Peektower]

Can you kindly add support for these countries please
Sierra Leone and Guinea

{
"code": "SLL",
"name": "Sierra Leone Leone",
"symbol": "Le",
"flag": "SLL",
"decimal_digits": 2,
"number": 694,
"name_plural": "Sierra Leone Leones",
"thousands_separator": ",",
"decimal_separator": ".",
"space_between_amount_and_symbol": false,
"symbol_on_left": true
}

{
"code": "GNF",
"name": "Guinean Franc",
"symbol": "FG",
"flag": "GNF",
"decimal_digits": 2,
"number": 324,
"name_plural": "Guinean Francs",
"thousands_separator": ",",
"decimal_separator": ".",
"space_between_amount_and_symbol": false,
"symbol_on_left": true
}

[MLZ91]

Please also add the currency of Aruba:
{
"code": "AWG",
"name": "Aruban florin",
"symbol": "ƒ",
"flag": "AW",
"decimal_digits": 2,
"number": 533,
"name_plural": "Aruban florins",
"thousands_separator": ".",
"decimal_separator": ",",
"space_between_amount_and_symbol": false,
"symbol_on_left": true,
}