New runner module (#2269)

* Adds pipecat.runner.run - FastAPI-based development server with automatic bot discovery

* Adds new RunnerArguments types for different transports

* Adds new runner utils for creating transports and parsing data

* Adds new Daily and LiveKit utils for setup

docs/api/build-docs.sh

@@ -1,5 +1,12 @@
 #!/bin/bash
 
+# Check if sphinx-build is installed
+if ! command -v sphinx-build &> /dev/null; then
+    echo "Error: sphinx-build is not installed or not in PATH" >&2
+    echo "Please install Sphinx using: pip install -r requirements.txt" >&2
+    exit 1
+fi
+
 # Clean previous build
 rm -rf _build