feat: many new docs

...semantic_router.index.postgres.MetricPgVecOperatorMap.rst

...osummary/semantic_router.index.postgres.PostgresIndex.rst

...ry/semantic_router.index.postgres.PostgresIndexRecord.rst

...mmary/semantic_router.index.postgres.clean_route_name.rst

...tosummary/semantic_router.index.postgres.parse_vector.rst

docs/source/_autosummary/semantic_router.index.postgres.rst

..._autosummary/semantic_router.index.qdrant.QdrantIndex.rst

docs/source/_autosummary/semantic_router.index.rst

...source/_autosummary/semantic_router.layer.LayerConfig.rst

.../source/_autosummary/semantic_router.layer.RouteLayer.rst

...source/_autosummary/semantic_router.llms.base.BaseLLM.rst

...ce/_autosummary/semantic_router.llms.cohere.CohereLLM.rst

...autosummary/semantic_router.llms.llamacpp.LlamaCppLLM.rst

...autosummary/semantic_router.llms.mistral.MistralAILLM.rst

...ce/_autosummary/semantic_router.llms.ollama.OllamaLLM.rst

...ce/_autosummary/semantic_router.llms.openai.OpenAILLM.rst

...summary/semantic_router.llms.openrouter.OpenRouterLLM.rst

..._autosummary/semantic_router.llms.zure.AzureOpenAILLM.rst

docs/source/_autosummary/semantic_router.route.Route.rst

...rce/_autosummary/semantic_router.schema.DocumentSplit.rst