Merge branch 'main' into luca/multi-routes

docs/01-save-load-from-file.ipynb

docs/02-dynamic-routes.ipynb

docs/05-local-execution.ipynb

docs/06-threshold-optimization.ipynb

docs/07-multi-modal.ipynb

docs/09-route-filter.ipynb

docs/encoders/google.ipynb

docs/encoders/huggingface-endpoint.ipynb

docs/encoders/huggingface.ipynb

docs/examples/pinecone-and-scaling.ipynb

docs/examples/unstructured-element-splitter.ipynb

poetry.lock

pyproject.toml

semantic_router/__init__.py

semantic_router/encoders/__init__.py

semantic_router/encoders/google.py

semantic_router/encoders/huggingface.py

semantic_router/encoders/mistral.py

semantic_router/encoders/openai.py

semantic_router/encoders/tfidf.py