docs: add documentation for Locking Module (#11824)

* add locking docs

* fix main navbar

* added implementation example links

* generate refs

* update architecture

* fix vale error

www/apps/resources/references/notification/classes/notification.AbstractNotificationProviderService/page.mdx

@@ -9,9 +9,17 @@ sidebar_label: Create Notification Provider
 
 import { TypeList } from "docs-ui"
 
-# How to Create a Notification Provider Module
+# How to Create a Notification Module Provider
 
-In this document, you’ll learn how to create a notification provider module and the methods you must implement in it.
+In this document, you’ll learn how to create a Notification Module Provider and the methods you must implement in it.
+
+---
+
+## Implementation Example
+      
+As you implement your Notification Module Provider, it can be useful to refer to an existing provider and how it's implemeted.
+
+If you need to refer to an existing implementation as an example, check the [SendGrid Notification Module Provider in the Medusa repository](https://github.com/medusajs/medusa/tree/develop/packages/modules/providers/notification-sendgrid).
 
 ---
 
@@ -31,11 +39,11 @@ The rest of this guide always uses the `src/modules/my-notification` directory a
 
 ---
 
-## 2. Create the Notification Provider Service
+## 2. Create the Notification Module Provider's Service
 
 Create the file `src/modules/my-notification/service.ts` that holds the implementation of the notification service.
 
-The Notification Provider Module's main service must extend the `AbstractNotificationProviderService` class imported from `@medusajs/framework/utils`:
+The Notification Module Provider's main service must extend the `AbstractNotificationProviderService` class imported from `@medusajs/framework/utils`:
 
 ```ts title="src/modules/my-notification/service.ts"
 import { 
@@ -172,7 +180,7 @@ class MyNotificationProviderService extends AbstractNotificationProviderService
 
 ---
 
-## 3. Create Module Definition File
+## 3. Create Module Provider Definition File
 
 Create the file `src/modules/my-notification/index.ts` with the following content:
 
@@ -188,11 +196,11 @@ export default ModuleProvider(Modules.NOTIFICATION, {
 })
 ```
 
-This exports the module's definition, indicating that the `MyNotificationProviderService` is the module's service.
+This exports the module provider's definition, indicating that the `MyNotificationProviderService` is the module provider's service.
 
 ---
 
-## 4. Use Module
+## 4. Use Module Provider
 
 To use your Notification Module Provider, add it to the `providers` array of the Notification Module in `medusa-config.ts`: