unstructured

e052c2a9 - docs: example of how to use `unstructured` with `pgvector` (#571)

docs: example of how to use `unstructured` with `pgvector` (#571) * pgvector requirements * first pass on pgvector notebook and sql alchemy file * created code for loading vectors into db * added query for embedding distance * updates to pgvector notebook * update function with time decay * update pgvector notebook to use example code * remove old create table script * add readme for pgvector * update example to use get_date()