Merge pull request #356 from aurelio-labs/tolga/async_dynamic_routes

docs/08-async-dynamic-routes.ipynb

pyproject.toml

semantic_router/__init__.py

semantic_router/layer.py

semantic_router/llms/openai.py

semantic_router/route.py

semantic_router/utils/defaults.py

tests/unit/llms/test_llm_azure_openai.py

tests/unit/llms/test_llm_openai.py

tests/unit/test_hybrid_layer.py

tests/unit/test_layer.py