docs: added dividers + see also section (#2899)

docs/content/advanced/backend/services/create-service.md

@@ -23,6 +23,8 @@ class HelloService extends TransactionBaseService {
 export default HelloService
 ```
 
+---
+
 ## Service Constructor
 
 As the service extends the `TransactionBaseService` class, all services in Medusa’s core, as well as all your custom services, will be available in your service’s constructor using dependency injection.
@@ -46,6 +48,8 @@ async getProductCount() {
 }
 ```
 
+---
+
 ## Use a Service
 
 In this section, you'll learn how to use services throughout your Medusa server. This includes both Medusa's services and your custom services.
@@ -93,7 +97,9 @@ constructor({ helloService, eventBusService }) {
 }
 ```
 
-## What’s Next
+---
 
-- Check out the [Services Reference](/references/services/classes/AuthService) to see a list of all services in Medusa.
-- [Learn How to Create an Endpoint.](../endpoints/add.md)
+## See Also
+
+- [Services Reference](/references/services/classes/AuthService)
+- [Create an Endpoint](../endpoints/add.md)

docs/content/advanced/backend/services/overview.md

@@ -18,7 +18,9 @@ For example, if the file name is `hello.ts`, the service will be registered as `
 
 The registration name of the service is important, as you’ll be referring to it when you want to get access to the service using dependency injection or in routes.
 
-## What's Next
+---
 
-- Learn [how to create a service](./create-service.md)
-- Check out the [Services Reference](/references/services/classes/AuthService) to see a list of all services in Medusa.
+## See Also
+
+- [Create a Service](./create-service.md)
+- [Services Reference](/references/services/classes/AuthService)