feat: Introduce order.placed event (#7682)

packages/core/utils/src/order/events.ts

@@ -0,0 +1,5 @@
+export const OrderEvents = {
+  placed: "order.placed",
+  canceled: "order.canceled",
+  completed: "order.completed",
+}

packages/core/utils/src/order/index.ts

@@ -1 +1,3 @@
+export * from "./events"
 export * from "./status"
+