chore(docs): Generated References (#8289)

Generated the following references:
- `fulfillment`
- `medusa_config`
- `modules`
- `order`
- `types`

www/apps/resources/references/fulfillment/interfaces/fulfillment.OrderReturnItemDTO/page.mdx

@@ -0,0 +1,9 @@
+---
+displayed_sidebar: fulfillmentReference
+---
+
+import { TypeList } from "docs-ui"
+
+# OrderReturnItemDTO
+
+<TypeList types={[{"name":"id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"return_id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"order_id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"item_id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"quantity","type":"`number`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"raw_quantity","type":"[BigNumberRawValue](../../types/fulfillment.BigNumberRawValue/page.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[{"name":"value","type":"`string` \\| `number`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]},{"name":"reason_id","type":"`null` \\| `string`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"received_quantity","type":"`number`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"raw_received_quantity","type":"[BigNumberRawValue](../../types/fulfillment.BigNumberRawValue/page.mdx)","description":"","optional":true,"defaultValue":"","expandable":false,"children":[{"name":"value","type":"`string` \\| `number`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]},{"name":"metadata","type":"`null` \\| `Record<string, unknown>`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"created_at","type":"`string` \\| `Date`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"updated_at","type":"`string` \\| `Date`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="OrderReturnItemDTO"/>

www/apps/resources/references/medusa_config/interfaces/medusa_config.ConfigModule/page.mdx

@@ -281,20 +281,31 @@ module.exports = defineConfig({
 
 ### workerMode
 
-Configure the application's worker mode. Default is `shared`.
+Configure the application's worker mode.
+
+Workers are processes running separately from the main application. They're useful for executing long-running or resource-heavy tasks in the background, such as importing products.
+
+With a worker, these tasks are offloaded to a separate process. So, they won't affect the performance of the main application.
+
+![Diagram showcasing how the server and worker work together](https://res.cloudinary.com/dza7lstvk/image/upload/fl\_lossy/f\_auto/r\_16/ar\_16:9,c\_pad/v1/Medusa%20Book/medusa-worker\_klkbch.jpg?\_a=BATFJtAA0)
+
+Medusa has three runtime modes:
 
 - Use `shared` to run the application in a single process.
 - Use `worker` to run the a worker process only.
 - Use `server` to run the application server only.
 
-Learn more in [this guide](https://docs.medusajs.com/development/medusa-worker).
+In production, it's recommended to deploy two instances:
+
+1. One having the `workerMode` configuration set to `server`.
+2. Another having the `workerMode` configuration set to `worker`.
 
 #### Example
 
 ```js title="medusa-config.js"
 module.exports = defineConfig({
   projectConfig: {
-    workerMode: "shared"
+    workerMode: process.env.WORKER_MODE || "shared"
     // ...
   },
   // ...

www/apps/resources/references/modules/fulfillment/page.mdx

@@ -76,6 +76,7 @@ import { TypeList } from "docs-ui"
 - [OrderItemDTO](../../fulfillment/interfaces/fulfillment.OrderItemDTO/page.mdx)
 - [OrderDTO](../../fulfillment/interfaces/fulfillment.OrderDTO/page.mdx)
 - [ReturnDTO](../../fulfillment/interfaces/fulfillment.ReturnDTO/page.mdx)
+- [OrderReturnItemDTO](../../fulfillment/interfaces/fulfillment.OrderReturnItemDTO/page.mdx)
 - [OrderClaimDTO](../../fulfillment/interfaces/fulfillment.OrderClaimDTO/page.mdx)
 - [OrderExchangeDTO](../../fulfillment/interfaces/fulfillment.OrderExchangeDTO/page.mdx)
 - [OrderChangeDTO](../../fulfillment/interfaces/fulfillment.OrderChangeDTO/page.mdx)