Added deep link to the Developer Community (#128)

Author: adrianparr

specification/nhs-website-content-api.yaml

@@ -264,7 +264,7 @@ info:
 
     ## Developer Community
 
-    If you require any assistance understanding or using the NHS Website Content API please visit our [Developer Community](https://developer.community.nhs.uk/). This is where you can post your questions and get help from both NHS developer support staff and other community members. When starting a new topic, we recommend you select the category `NHS Website Content API`.
+    If you require any assistance understanding or using the NHS Website Content API please visit [our dedicated category](https://developer.community.nhs.uk/c/nhs-website-content-api/41) within the [Developer Community](https://developer.community.nhs.uk/). This is where you can post your questions and get help from both NHS developer support staff and other community members. When starting a new topic, we recommend you select the category `NHS Website Content API`.
 
   contact:
     name: "NHS Website Content API v2 Support"