feat: dagster pipeline to ingest edx.org course via API

[rachellougee]

What are the relevant tickets?

https://github.com/mitodl/hq/issues/6337

Description (What does it do?)

adding a new dagster asset edxorg_mitx_course_metadata to ingest the MITx course data from the edx.org course catalog API. This will be part of the existing automation edxorg_api_schedule

How can this be tested?

This can't tested with the new API credential in https://vault-qa.odl.mit.edu/ui/vault/secrets/secret-data/show/pipelines/edx/edxorg/edx-oauth-client (blocked by https://github.com/mitodl/hq/issues/6638)

Once the credential issue is solved, it should be
dagster dev -d src/ol_orchestrate/ -f src/ol_orchestrate/definitions/edx/edxorg_api_data_extract.py

You should see the logs like:

Total MITx courses to extract: 448 courses
Extracted a batch of 20 MITx courses. Total so far: 20 courses.
-----

Total extracted 448 MITx courses....
Total extracted 1437 MITx course runs....

[quazi-h]

Logic and syntax looks good to me, consistent with our existing edxorg assets and definitions. I would definitely like to see this running locally before release but approving the logic for now.