Update mesh-api.yaml

Author: nkinsler1

specification/mesh-api.yaml

@@ -433,6 +433,8 @@ info:
 
     You need to get your software approved by us before it can go live with this API. We call this onboarding. The onboarding process can sometimes be quite long, so it's worth planning well ahead.
 
+    You can view a read-only version of the digital application form on the <a href="https://onboarding.prod.api.platform.nhs.uk/Products/PreviewOverview?apiId=34">MESH assurance questions</a> page. 
+
     To understand how our online digital onboarding process works, see [digital onboarding](https://digital.nhs.uk/developer/guides-and-documentation/digital-onboarding). This is where you can demonstrate that you can manage risks and that your software conforms technically with the requirements for this API. You can also manage onboarding for other APIs in your account.
 
     <div class="nhsd-m-emphasis-box nhsd-m-emphasis-box--emphasis nhsd-!t-margin-bottom-6" aria-label="Highlighted Information">