feat(workflows): Workflow DX (#5607)

packages/medusa/src/loaders/plugins.ts

@@ -96,6 +96,7 @@ export default async ({
       )
       registerCoreRouters(pluginDetails, container)
       await registerSubscribers(pluginDetails, container, activityId)
+      await registerWorkflows(pluginDetails)
     })
   )
 
@@ -634,6 +635,15 @@ function registerRepositories(
   })
 }
 
+/**
+ * import files from the workflows directory to run the registration of the wofklows
+ * @param pluginDetails
+ */
+async function registerWorkflows(pluginDetails: PluginDetails): Promise<void> {
+  const files = glob.sync(`${pluginDetails.resolve}/workflows/*.js`, {})
+  await Promise.all(files.map(async (file) => import(file)))
+}
+
 /**
  * Registers a plugin's models at the right location in our container. Models
  * must inherit from BaseModel. Models are registered directly in the container.