fix(media): blank doc line before the tool list (clippy doc_lazy_continuation)

src-tauri/src/media.rs

@@ -9,6 +9,7 @@
 //! - `yt-dlp` resolves URLs (YouTube and other sites via its extractors, and
 //!   direct media URLs via its generic extractor) down to an audio file that
 //!   ffmpeg can then convert.
+//!
 //! A missing tool surfaces as a clear, named error rather than a generic
 //! "program not found".