[QoL] add common:money key

[flx-sta]

Tip

pagefaultgames/pokerogue#4550

derived from this code:

 switch (lng) {
    case "ja":
      return `@[MONEY]{${numberFormattedString}}円`;
    case "de":
    case "es":
    case "fr":
    case "it":
      return `@[MONEY]{${numberFormattedString} ₽}`;
    default:
      // English and other languages that use same format
      return `@[MONEY]{₽${numberFormattedString}}`;
    }

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EN

DE

JA

ES

FR

IT