docs: change config snippets to use defineConfig (#7546)

www/apps/resources/app/architectural-modules/notification/local/page.mdx

@@ -12,6 +12,12 @@ The Local Notification Provider Module simulates sending a notification, but onl
 
 ## Install the Local Notification Module
 
+<Note>
+
+The Local Notification Provider Module is installed by default in your application.
+
+</Note>
+
 To install the Local Notification Provider Module, run the following command in the directory of your Medusa application:
 
 ```bash npm2yarn
@@ -27,10 +33,13 @@ Only one provider can be defined for a channel.
 </Note>
 
 ```js title="medusa-config.js"
-module.exports = {
+const { Modules } = require("@medusajs/modules-sdk")
+
+// ...
+
+module.exports = defineConfig({
   // ...
   modules: {
-    // ...
     [Modules.NOTIFICATION]: {
       resolve: "@medusajs/notification",
       options: {
@@ -49,8 +58,8 @@ module.exports = {
         ],
       },
     },
-  },
-}
+  }
+})
 ```
 
 ### Local Notification Module Options

www/apps/resources/app/architectural-modules/notification/page.mdx

@@ -30,7 +30,11 @@ When you send a notification, you specify the channel to send it through, such a
 
 For example:
 
-```js title="medusa-config.js" highlights={[["15"]]}
+```js title="medusa-config.js" highlights={[["19"]]}
+const { Modules } = require("@medusajs/modules-sdk")
+
+// ...
+
 module.exports = {
   // ...
   modules: {

www/apps/resources/app/architectural-modules/notification/sendgrid/page.mdx

@@ -35,10 +35,13 @@ Only one provider can be defined for a channel.
 </Note>
 
 ```js title="medusa-config.js"
-module.exports = {
+const { Modules } = require("@medusajs/modules-sdk")
+
+// ...
+
+module.exports = defineConfig({
   // ...
   modules: {
-    // ...
     [Modules.NOTIFICATION]: {
       resolve: "@medusajs/notification",
       options: {
@@ -59,8 +62,8 @@ module.exports = {
         ],
       },
     },
-  },
-}
+  }
+})
 ```
 
 ### Environment Variables