feat: many new docs

...ource/_autosummary/semantic_router.schema.EncoderInfo.rst

...ource/_autosummary/semantic_router.schema.EncoderType.rst

docs/source/_autosummary/semantic_router.schema.Message.rst

docs/source/_autosummary/semantic_router.schema.Metric.rst

...ource/_autosummary/semantic_router.schema.RouteChoice.rst

...tosummary/semantic_router.splitters.base.BaseSplitter.rst

...uter.splitters.consecutive_sim.ConsecutiveSimSplitter.rst

...router.splitters.cumulative_sim.CumulativeSimSplitter.rst

...router.splitters.rolling_window.RollingWindowSplitter.rst

...antic_router.splitters.rolling_window.SplitStatistics.rst

...source/_autosummary/semantic_router.text.Conversation.rst

...summary/semantic_router.utils.defaults.EncoderDefault.rst

...ry/semantic_router.utils.function_call.FunctionSchema.rst

...summary/semantic_router.utils.function_call.Parameter.rst

...urce/_autosummary/semantic_router.utils.function_call.rst

...osummary/semantic_router.utils.logger.CustomFormatter.rst

docs/source/api.rst

docs/source/index.rst

docs/source/route_layer.rst

docs/source/route_layer/route_filter.rst