docs: Added WatsonxRerank documentation (#27424)
Thank you for contributing to LangChain!
Changes:
- docs: Added `WatsonxRerank` documentation
- docs Updated `WatsonxEmbeddings` with docs template
- docs: Updated `ChatWatsonx` with docs template
- docs: Updated `WatsonxLLM` with docs template
- docs: Added `ChatWatsonx` to list with Chat models providers. Added
[test_chat_models_standard](https://github.com/langchain-ai/langchain-ibm/blob/main/libs/ibm/tests/integration_tests/test_chat_models_standard.py)
to `langchain_ibm` tests suite.
- docs: Added `IBM` to list with Embedding models providers. Added
[test_embeddings_standard](https://github.com/langchain-ai/langchain-ibm/blob/main/libs/ibm/tests/integration_tests/test_embeddings_standard.py)
to `langchain_ibm` tests suite.
- docs: Updated `langcahin_ibm` recommended versions compatible with
`LangChain v0.3`
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Co-authored-by: Erick Friis <erick@langchain.dev>