Add pdc subject and study adapters

[tianj7]

https://ctds-planx.atlassian.net/browse/PROM-84

New Features

Add pdc subject and study adapters

[github-actions]

The style in this PR agrees with black. ✔️

This formatting comment was generated automatically by a script in uc-cdis/wool.

[github-actions]

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Please find the detailed integration test report here

Please find the ci env pod logs here

[github-actions]

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Please find the detailed integration test report here

Please find the ci env pod logs here

[github-actions]

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Please find the detailed integration test report here

Please find the ci env pod logs here