add currency filter

src/filters/currency.js

@@ -0,0 +1,19 @@
+import settings from "../lib/settings.js";
+
+export default function ({ i18n }, value, currencyCode) {
+    if (!value) {
+        return value;
+    }
+
+    value = value / 100;
+    const currencyDisplayMode = settings.getCurrencyDisplayMode();
+
+    if (currencyDisplayMode === 'code') {
+        return `${value} ${currencyCode}`;
+    } else if (currencyDisplayMode === 'name') {
+        const name = i18n.t(`currency.${currencyCode}`);
+        return `${value} ${name}`;
+    } else {
+        return value;
+    }
+}