[feat] adding vector similarity search example (#1539)

* [feat] adding vector similarity search example

* lambda-test: false

* chore: updating per Devin AI PR feedback

* move vector_similarity_search.py to misc/ per maintainer feedback

* Update misc/vector_similarity_search.py

Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* ruff

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Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Charles Frye <charles@modal.com>