Feature/syn 866 (#136)

* Added search and replace Regex for ‘vaccinations’ and ‘contraception’

* Updated list at top of page

* Added 4 example JSON responses

* Update spec file to include ‘Contraception’ and ‘Vaccinations’

* Updated the Postman collection

* Increased number of sandbox endpoints to include ‘Contraception’ and ‘Vaccinations’

* Updated Sandbox endpoints list

* Added protocols and hostnames to broken href attributes

* Fixed href hostnames to ‘https://www.nhs.uk/'

* Text change in spec file

* Text change in the spec file RE: Onboarding approval

* Spec content fix

Author: adrianparr

specification/nhs-website-content-api.yaml

@@ -743,10 +743,9 @@ paths:
 
         The [contraception hub](https://www.nhs.uk/contraception/) contains a number of navigational and content pages.
 
-        The main page contains significant links to topic pages, which then contain significant links to the content pages.
-
-        Content pages use the 'question' schema.org [question](https://schema.org/Question) property.
+        The content of the page is taken from the `mainEntityOfPage` part of the response. This includes the navigational links to child pages.
 
+        At the top level, modularised content of child pages is highlighted by the `hasPart` field. In child pages, only the individual page is shown.
       responses:
         "200":
           description: |
@@ -776,10 +775,9 @@ paths:
 
         The [vaccinations hub](https://www.nhs.uk/vaccinations/) contains a number of navigational and content pages.
 
-        The main page contains significant links to topic pages, which then contain significant links to the content pages.
-
-        Content pages use the 'question' schema.org [question](https://schema.org/Question) property.
+        The content of the page is taken from the `mainEntityOfPage` part of the response. This includes the navigational links to child pages.
 
+        At the top level, modularised content of child pages is highlighted by the `hasPart` field. In child pages, only the individual page is shown.
       responses:
         "200":
           description: |