Formatting of link_texts was breaking metadata storage. Turns out it
didn't need any conforming and came in correctly from json.
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Co-authored-by: potter-potter <david.potter@gmail.com>
### Description
* Make sure all destination connectors implement the base abstract
methods using the same signatures.
* Also leverage conform dict in the base methods to make sure it's
called in a consistent fashion.
* Additional updates to move the common code into the base destination
connector class
- Adds a destination connector to upload processed output into a
PostgreSQL/Sqlite database instance.
- Users are responsible to provide their instances. This PR includes a
couple of configuration examples.
- Defines the scripts required to setup a PostgreSQL instance with the
unstructured elements schema.
- Validates postgres/pgvector embedding storage and retrieval
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Co-authored-by: potter-potter <david.potter@gmail.com>
