Add missing empty wishlist hooks

Signed-off-by: Loan Laux <loan@outgrow.io>

framework/reactioncommerce/wishlist/use-add-item.tsx

@@ -0,0 +1,13 @@
+import { useCallback } from 'react'
+
+export function emptyHook() {
+  const useEmptyHook = async (options = {}) => {
+    return useCallback(async function () {
+      return Promise.resolve()
+    }, [])
+  }
+
+  return useEmptyHook
+}
+
+export default emptyHook