docs: langchain pinecone tutorial (#886)

* draft notebook

* add missing install

* add logos to top of notebook

* build index script

* add link to build index script

* v2 dataset

* update question

* update question

* add dev dependencies

* cleanup

* clean up

* cleanup

* update pyproject.toml

* update script link

* rename notebook

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Co-authored-by: Mikyo King <mikyo@arize.com>