🌿 Introduce Fern Docs (superagent-ai#308)

* setup docs

* add markdown content

Add support for Langsmith (superagent-ai#300)

Bump version

ugprade python sdk generator to support httpx (superagent-ai#288)

Add more padding to chat window

Small tweak

Pinecone retrieval (superagent-ai#270)

* *WIP* pinecone retrieval

* update recursive splitter

* pinecone + tools + document loaders

* formating

* Refactor upsert_document function

* Fix linting issues

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Co-authored-by: Simonas <20096648+simjak@users.noreply.github.com>

Bump langchain

Fix issue with agent being listed but not public

Update OpenAPI spec