Break document upload to chroma into batches

[matthewcoole]

Fix to resolve issue #10 by making use of chromadbs batch utility.

[github-actions]

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[matthewcoole]

Also had to fix error with importing the incorrect version of sqlite (see https://gist.github.com/defulmere/8b9695e415a44271061cc8e272f3c300)

[github-actions]

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[github-actions]

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[github-actions]

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[github-actions]

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