Add govuk-design-guide repos.yml

Author: kentsanggds

data/repos.yml

@@ -288,6 +288,13 @@
   type: Utilities
   production_hosted_on: eks
 
+- repo_name: govuk-design-guide
+  team: "#govuk-patterns-and-pages"
+  type: Design Guide
+  sentry_url: false
+  description: GOV.UK Publishing Design Guide
+  production_url: https://design-guide.publishing.service.gov.uk/
+
 - repo_name: govuk-developer-docs
   team: "#govuk-developers"
   type: Utilities