update cloud quickstart

* Update antora.yml

* Update antora.yml

Author: paulohtb6

antora.yml

@@ -57,7 +57,7 @@ asciidoc:
         link-text: 'Learn more'
       - title: 'Cloud API quickstart'
         description: 'Get started with the Redpanda Cloud API.'
-        url: 'manage:api/cloud-api-quickstart.adoc'
+        url: '/api/doc/cloud-controlplane/topic/topic-quickstart'
         link-text: 'Learn more'
       - title: 'rpk commands'
         description: 'Redpanda CLI reference for Redpanda Cloud.'
@@ -74,4 +74,4 @@ asciidoc:
       - title: 'Build a chat room application with Python'
         url: 'redpanda-labs:clients:cloud-python.adoc'
       - title: 'Build a chat room application with Rust'
-        url: 'redpanda-labs:clients:cloud-rust.adoc'
+        url: 'redpanda-labs:clients:cloud-rust.adoc'