feat(admin,admin-ui,medusa): Add Medusa Admin plugin (#3334)

packages/admin-ui/ui/src/utils/totals.js

@@ -0,0 +1,15 @@
+const computeShippingTotal = (shipping_methods) => {
+  if (!shipping_methods) {
+    return 0
+  }
+  return shipping_methods.reduce((acc, method) => acc + method.price, 0)
+}
+
+const computeSubtotal = (items) => {
+  if (!items) {
+    return 0
+  }
+  return items.reduce((acc, item) => acc + item.unit_price * item.quantity, 0)
+}
+
+export { computeShippingTotal, computeSubtotal }