v0.0.47

What's Changed

• add py.typed by @baskaryan in https://github.com/langchain-ai/langserve/pull/505
• Improve LangSmith feedback endpoint error message by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/510
• Adds opt-in public trace view endpoint by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/511
• Adds chat interface by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/509
• Release 0.0.47 by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/512

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.46...v0.0.47