DELENG-435: Add catalog-info.yaml for service catalog onboarding (#356)

* DELENG-435: Add catalog-info.yaml for service catalog onboarding

- Owner: site-experience (from CODEOWNERS: site-experience)
- Lifecycle: production
- Type: service

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

* Use full team slug in existing catalog-info.yml

- Update owner: site → site-experience
- Remove duplicate catalog-info.yaml file
- Only update the existing catalog-info.yml file

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Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: lowlostrong

catalog-info.yml

@@ -9,4 +9,4 @@ metadata:
 spec:
   type: library
   lifecycle: mature
-  owner: site
+  owner: site-experience