Merge pull request #533 from aurelio-labs/docs/add-docstrings

semantic_router/encoders/aurelio.py

semantic_router/encoders/base.py

semantic_router/encoders/bedrock.py

semantic_router/encoders/clip.py

semantic_router/encoders/cohere.py

semantic_router/encoders/fastembed.py

semantic_router/encoders/google.py

semantic_router/encoders/huggingface.py

semantic_router/encoders/mistral.py

semantic_router/encoders/openai.py

semantic_router/encoders/vit.py

semantic_router/encoders/zure.py

semantic_router/index/base.py

semantic_router/index/hybrid_local.py

semantic_router/index/local.py

semantic_router/index/pinecone.py

semantic_router/index/postgres.py

semantic_router/index/qdrant.py

semantic_router/linear.py

semantic_router/llms/base.py