fix: manually implement repeating keybinds

Apparently Hyprland's repeating keybinds don't work properly with DBus
shortcuts, so we have to implement this logic ourselves.

services/Audio.qml

@@ -2,6 +2,7 @@ pragma Singleton
 
 import qs.config
 import qs.custom
+import QtQuick
 import Quickshell
 import Quickshell.Services.Pipewire
 
@@ -37,15 +38,49 @@ Singleton {
     }
 
     CustomShortcut {
+        id: volumeUp
         name: "volumeUp"
         description: "Increase volume"
-        onPressed: root.increaseVolume()
+        onPressed: {
+            root.increaseVolume();
+            volumeUpTimer.interval = 800;
+            volumeUpTimer.running = true;
+        }
+        onReleased: {
+            volumeUpTimer.running = false;
+        }
+    }
+    Timer {
+        id: volumeUpTimer
+        interval: 800
+        repeat: true
+        onTriggered: {
+            interval = 200;
+            root.increaseVolume();
+        }
     }
 
     CustomShortcut {
+        id: volumeDown
         name: "volumeDown"
         description: "Decrease volume"
-        onPressed: root.decreaseVolume()
+        onPressed: {
+            root.decreaseVolume();
+            volumeDownTimer.interval = 800;
+            volumeDownTimer.running = true;
+        }
+        onReleased: {
+            volumeDownTimer.running = false;
+        }
+    }
+    Timer {
+        id: volumeDownTimer
+        interval: 800
+        repeat: true
+        onTriggered: {
+            interval = 200;
+            root.decreaseVolume();
+        }
     }
 
     CustomShortcut {