feat: add global settings (#668)

apps/docs/docs/modules/agent/multi_document_agent.mdx

...cs/modules/embeddings/available_embeddings/huggingface.md

...s/docs/modules/embeddings/available_embeddings/mistral.md

...cs/docs/modules/embeddings/available_embeddings/ollama.md

...cs/docs/modules/embeddings/available_embeddings/openai.md

.../docs/modules/embeddings/available_embeddings/together.md

apps/docs/docs/modules/embeddings/index.md

apps/docs/docs/modules/evaluation/modules/correctness.md

apps/docs/docs/modules/evaluation/modules/faithfulness.md

apps/docs/docs/modules/evaluation/modules/relevancy.md

apps/docs/docs/modules/llms/available_llms/anthropic.md

apps/docs/docs/modules/llms/available_llms/azure.md

apps/docs/docs/modules/llms/available_llms/fireworks.md

apps/docs/docs/modules/llms/available_llms/groq.mdx

apps/docs/docs/modules/llms/available_llms/llama2.md

apps/docs/docs/modules/llms/available_llms/mistral.md

apps/docs/docs/modules/llms/available_llms/ollama.md

apps/docs/docs/modules/llms/available_llms/openai.md

apps/docs/docs/modules/llms/available_llms/portkey.md

apps/docs/docs/modules/llms/available_llms/together.md