* Connect returns the instance of the client

* Added a test

* No auto setup

* Added a bit of docs

* fix the return type, test, and the docs

* fix return type

* Update packages/client/lib/client/index.spec.ts

Co-authored-by: Francisco Presencia <franciscop@users.noreply.github.com>

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Co-authored-by: Leibale Eidelman <me@leibale.com>