Add numbered headings to /get-started

Author: jakecosgrove

docs/pages/get-started/get-started.md

@@ -9,7 +9,7 @@ has_children: true
 permalink: /get-started/
 ---
 
-## Check if NHS Notify is right for you
+## 1. Check if NHS Notify is right for you
 
 You can send messages with NHS Notify if your organisation or service is part of NHS England and supports direct care.
 
@@ -27,7 +27,7 @@ You also may need to read our:
 - [acceptable use policy (opens in a new tab)](https://digital.nhs.uk/services/nhs-notify/acceptable-use-policy){:target="\_blank"}
 - [privacy policy (opens in a new tab)](https://digital.nhs.uk/services/nhs-notify/transparency-notice){:target="\_blank"}
 
-## Register your interest with NHS Notify
+## 2. Register your interest with NHS Notify
 
 If you think NHS Notify is right for you, complete the following form to register your interest. This will open in a new tab.