Update Redis Enterprise openapi spec (#2615)

* RED-174158: Automate cluster API docs

* RED-174158: Add Redis Cluster API in docs

* address comments to move content

* regenerate openapi.json

* Update content/operate/rs/references/rest-api/api-reference/openapi.json

* Update Redis Enterprise API specification

* Update Redis Enterprise API specification

* Update Redis Enterprise API specification

* Update Redis Enterprise API specification

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Co-authored-by: sonya-spasova <sonya.spasova@redis.com>
Co-authored-by: redis-enterprise-doc-sync[bot] <${user_id}+redis-enterprise-doc-sync[bot]@users.noreply.github.com>
Co-authored-by: redis-enterprise-doc-sync[bot] <246451900+redis-enterprise-doc-sync[bot]@users.noreply.github.com>

Author: 3 people

content/operate/rs/references/rest-api/api-reference.md

@@ -0,0 +1,6 @@
+---
+Title: Redis Enterprise API
+linkTitle: API reference
+layout: apireference
+type: page
+---