sdks/python: integrate OpenAI embedded generator

[mohamedawnallah]

Description

• Integrate OpenAI Embedded Generator
• Unit Test
• Integration Test
• Update Embedded Generator Docs

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[github-actions]

This pull request has been marked as stale due to 60 days of inactivity. It will be closed in 1 week if no further activity occurs. If you think that’s incorrect or this pull request requires a review, please simply write any comment. If closed, you can revive the PR at any time and @mention a reviewer or discuss it on the dev@beam.apache.org list. Thank you for your contributions.

[mohamedawnallah]

Planned for GSoC Period

[github-actions]

This pull request has been marked as stale due to 60 days of inactivity. It will be closed in 1 week if no further activity occurs. If you think that’s incorrect or this pull request requires a review, please simply write any comment. If closed, you can revive the PR at any time and @mention a reviewer or discuss it on the dev@beam.apache.org list. Thank you for your contributions.

[derrickaw]

waiting on author

[mohamedawnallah]

This OpenAI Text Embedding generator already implemented in Beam:
https://github.com/apache/beam/blob/master/sdks/python/apache_beam/ml/transforms/embeddings/open_ai.p