Added AWS Bedrock embeddings (#1738)
Summary: Added support for AWS Bedrock embeddings. Leverages
"amazon.titan-tg1-large" for the embedding model.
Test
- find your aws secret access key and key id; make sure the account has
access to bedrock's tian embed model
- follow the instructions in
https://github.com/Unstructured-IO/unstructured/blob/d5e797cd44bfe3d423750b4442148d03f942d27d/docs/source/bricks/embedding.rst#bedrockembeddingencoder
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Co-authored-by: Ahmet Melek <39141206+ahmetmeleq@users.noreply.github.com>
Co-authored-by: Yao You <yao@unstructured.io>
Co-authored-by: Yao You <theyaoyou@gmail.com>
Co-authored-by: Ahmet Melek <ahmetmeleq@gmail.com>
