cl_scrape_opinions: Some scraped fields are not used when creating objects

[grossir]

The following returned attributes from juriscraper scrapers are not used on courtlistener:

These require easy changes (1-2 lines) to be used in the models:

• lower_court goes to Docket.appeal_from_str
• disposition goes to OpinionCluster.disposition
• cause goes to Docket.cause, but I don't know if it is a PACER reserved field

These require more work:

• lower_court_numbers and lower_court_judges goes to OriginatingCourtInformation...

For these, I find no model on CL, nor a direct reference when using string search

• docket_attachment_numbers
• docket_document_numbers
• adversary_numbers
• divisions

If not used anywhere, we should probably delete them, since they are introducing noise

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Code on courtlistener that uses the scraped attributes to build objects:
https://github.com/freelawproject/courtlistener/blob/c8f712754ff7041235df617e6351accf4b6b3754/cl/scrapers/management/commands/cl_scrape_opinions.py#L78C1-L137C6

Code on juriscraper that defines the attributes is on OpinionSite and OpinionSiteLinear
https://github.com/grossir/juriscraper/blob/92d27210adebfe7efa3b5ff2777667d3cd0de78f/juriscraper/OpinionSite.py#L18-L43

[grossir]

This is a good opportunity to support some extra fields both on Courtlistener and Juriscraper
I propose to add these:

• Ingest "authors" into Opinion.author_str
• Ingest "joined_by" into Opinion.joined_by
• Ingest "per_curiam" into Opinion.per_curiam
• Ingest "types" into Opinion.type