Application name attribute output as header to origin

Signed-off-by: Connor Avery <[email protected]>

Author: connoravo-nhs

packages/specification/prescriptions-for-patients.yaml

@@ -432,6 +432,13 @@ x-nhsd-apim:
       header: "nhsd-nhslogin-user"
     - name: nhs-login-identity-proofing-level
       header: "nhs-login-identity-proofing-level"
+  target-attributes:
+    - name: developer.app.name
+      required: true
+      header: "nhsd-application-name"
+    - name: developer.app.id
+      required: true
+      header: "nhsd-application-id"
   ratelimiting:
     proxy:
       limit: 20000