add docs-enterprise-analytics to preview config

Author: osfameron

antora-playbook.preview.yml

@@ -96,8 +96,10 @@ content:
  - url: https://github.com/couchbaselabs/docs-columnar
  branches:
  - main
- - release/2.0
  - legacy-columnar-component
+ - url: https://github.com/couchbaselabs/docs-enterprise-analytics
+ branches:
+ - release/2.0
  - url: https://github.com/couchbase/couchbase-operator
  branches:
  - 2.8.x