Updated case-law with document corrections

## Changes 8/19/2024

- Removed duplicate or low-quality documents
- Cleaned remaining HTML characters
- Corrected missing `docket_number` fields on numerous entries
- Replaced some shorter entries with full quality documents
- Standardized timestamp to ISO 8601 string
- Normalized all state names and added entries from Idaho, Maryland, Ohio, and New York
- Removed documents with text content below 300 characters (due to various reasons including webserver testing data or lack of substantive content)
- Changed `citation` and `docket_number` fields to tuples to support scenarios with multiple docket number references
- Removed Oklahoma cases pre-1964 to maintain more even state distribution
- Lowercased `state` names and corrected entries with incorrect patterns
- Corrected erroneous issuers (Note: The `issuer` field remains in Title Case)

## Notes

- Duplicate titles may exist for documents from the same proceedings. All documents are verified accurate by hash.
- Ensured citations and docket numbers are correct on older documents. Entries may have:
- A citation without a docket number
- A docket number without a citation
- Both citation and docket number
- Neither citation nor docket number
- Removed some documents due to:
- Official PDFs containing minimal information
- Cases considered private

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