DOC-699 Add pg_stream to Cloud docs (#140)

* Add new page to Cloud docs

* revert playbook

Author: asimms41

modules/ROOT/nav.adoc

@@ -97,6 +97,7 @@
 **** xref:develop:connect/components/inputs/nats.adoc[]
 **** xref:develop:connect/components/inputs/nats_jetstream.adoc[]
 **** xref:develop:connect/components/inputs/nats_kv.adoc[]
+**** xref:develop:connect/components/inputs/pg_stream.adoc[]
 **** xref:develop:connect/components/inputs/read_until.adoc[]
 **** xref:develop:connect/components/inputs/redis_list.adoc[]
 **** xref:develop:connect/components/inputs/redis_pubsub.adoc[]

modules/develop/pages/connect/components/inputs/pg_stream.adoc

@@ -0,0 +1,5 @@
+= pg_stream
+:page-aliases: components:inputs/pg_stream.adoc
+:page-beta: true
+
+include::redpanda-connect:components:inputs/pg_stream.adoc[tag=single-source]