wireplumber wip for stt audio sink

wireplumber/.config/systemd/user/whisper-combined-audio.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Whisper Combined Audio Setup
+After=pipewire.service wireplumber.service
+Requires=pipewire.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/bin/bash -c 'pw-cli create-node adapter "{ factory.name=support.null-audio-sink node.name=whisper-combined node.description=\\"Whisper Combined Audio\\" media.class=Audio/Sink audio.channels=2 audio.position=[FL,FR] }" && sleep 2 && pw-loopback -P @DEFAULT_SINK@ -C whisper-combined --latency=1024 & pw-loopback -P @DEFAULT_SOURCE@ -C whisper-combined --latency=1024 &'
+ExecStop=/bin/bash -c 'pkill -f "pw-loopback.*whisper-combined"'
+
+[Install]
+WantedBy=default.target