Convert documents and text to audio using Google Cloud Text-to-Speech.
Use this skill when the user wants to: narrate a document, read aloud text,
generate audio from a file, convert text to speech, create a recording
of documentation or analysis, create a podcast from a document, or use
Google TTS/text-to-speech. Trigger phrases: "read this aloud", "narrate this",
"create a recording", "text to speech", "TTS", "convert to audio",
"audio from document", "listen to this", "generate audio", "google tts",
"create a podcast".