DOC-1773 Update connect quickstart with new onboarding (#443)

* DOC-1773 Update connect quickstart docs to reflect new onboarding experience

* minor edits

* minor edit

* minor edit

* replace kafka_franz output with redpanda

* edits to config

* inline code

* minor edits

* minor edit

* switch to dad-jokes producer/consumer pipelines

* edits

* minor edits

* incorporate edits from review

* update yaml files

* minor edits

* minor edits

* minor edit

* add example of processed joke

* minor edits

* Update modules/develop/pages/connect/connect-quickstart.adoc

Co-authored-by: Kat Batuigas <[email protected]>

* incorporate review feedback

* fix what's new

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Co-authored-by: Kat Batuigas <[email protected]>

Author: micheleRP