v0.0.49

What's Changed

• Expose playground type in add_routes and APIHandler by @eyurtsev in https://github.com/langchain-ai/langserve/pull/519
• Update docs for new chat playground flow by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/520
• Remove deadcode and lint by @eyurtsev in https://github.com/langchain-ai/langserve/pull/521
• Add output schemas to the playgrounds by @eyurtsev in https://github.com/langchain-ai/langserve/pull/522
• Release 0.0.49 by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/525

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.48...v0.0.49