refractor quick toggles data, add volume slider for waffles action center

dots/.config/quickshell/ii/modules/common/Config.qml

@@ -572,7 +572,7 @@ Singleton {
             }
 
             property JsonObject waffles: JsonObject {
-                // Animations on Windoes are kinda janky. Set the following to
+                // Animations on Windoes are kinda janky. Setting the following to
                 // false will make (some) stuff also be like that for accuracy. 
                 // Example: the right-click menu of the Start button
                 property bool smootherAnimations: true
@@ -580,6 +580,9 @@ Singleton {
                     property bool bottom: true
                     property bool leftAlignApps: false
                 }
+                property JsonObject actionCenter: JsonObject {
+                    property list<string> toggles: []
+                }
             }
         }
     }