Screencast for Wayland optionally with audio. By default you need to end the process with
<Ctrl c>. More information: https://github.com/ammen99/wf-recorder.
wf-recorder {{[-f|--file]}} {{output.mp4}}
wf-recorder {{[-a|--audio]}} {{[-f|--file]}} {{/path/to/file_with_audio.webm}}
slurp, outputting to default recording.mp4:wf-recorder {{[-g|--geometry]}} "$(slurp)"