fix(core): update

ts/helpers/index.ts

@@ -0,0 +1 @@
+export * from './tinkmath.js';

ts/helpers/tinkmath.ts

@@ -0,0 +1,22 @@
+export interface ITinkScaledAmount {
+  value: {
+    unscaledValue: string;
+    scale: string;
+  };
+  currencyCode: string;
+}
+
+/**
+ * returns a normalized amount
+ * @param scaledArg
+ * @returns
+ */
+export const getNormalizedAmount = (scaledArg?: ITinkScaledAmount) => {
+  if (!scaledArg) {
+    return null;
+  }
+  return {
+    amount: parseInt(scaledArg.value.unscaledValue) / (10 ^ parseInt(scaledArg.value.scale)),
+    currency: 'EUR'
+  };
+};