fixup: Reformat camera pipewire example

src/desktop/camera.rs

@@ -17,7 +17,8 @@
 //! }
 //! ```
 //! An example on how to connect with Pipewire can be found [here](https://github.com/bilelmoussaoui/ashpd/blob/master/examples/screen_cast_pw.rs).
-//! Although the example's primary focus is screen casting, stream connection logic remains the same -- with one accessibility change:
+//! Although the example's primary focus is screen casting, stream connection
+//! logic remains the same -- with one accessibility change:
 //! ```rust,ignore
 //! let stream = pw::stream::Stream::new(
 //!    &core,