added ddl to SqlTransform

[liferoad]

Tested by building the new jar:

./gradlew sdks:java:extensions:sql:expansion-service:shadowJar 

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[liferoad]

this is more like a dumpy test. Not very familiar with the DDL support under Beam. Use this dumpy one for now.

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[liferoad]

R: @talatuyarer

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control. If you'd like to restart, comment assign set of reviewers

[Abacn]

Thank you!