Add info about creating tables in confluent cloud

[bbejeck]

Description

asana

Staging Docs

• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/create-stateful-aggregation-count/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/create-stateful-aggregation-minmax/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/join-a-stream-to-a-stream/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/filter-a-stream-of-events/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/create-tumbling-windows/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/create-hopping-windows/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/create-cumulating-windows/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/split-a-stream-of-events-into-substreams/flinksql.html
• http://kafka-tutorials-staging.s3-website-us-west-2.amazonaws.com/add_statement_about_with_clause/finding-distinct-events/flinksql.html

New tutorial checklist

[bbejeck]

Failure unrelated, this PR is text only changes.