Created Hook system (let's users run commands after specific actions)

NInputAction: create NTextInput with NButton
HooksService: add dark/light mode hook, add wallpaper change hook
HooksTab: create 1 NInputAction for each hook
Wallpaper: add hook functionallity

Modules/Background/Overview.qml

@@ -68,7 +68,9 @@ Variants {
       // Make the overview darker
       Rectangle {
         anchors.fill: parent
-        color: Settings.data.colorSchemes.darkMode ? Qt.alpha(Color.mSurface, Style.opacityMedium) : Qt.alpha(Color.mOnSurface, Style.opacityMedium)
+        color: Settings.data.colorSchemes.darkMode ? Qt.alpha(Color.mSurface,
+                                                              Style.opacityMedium) : Qt.alpha(Color.mOnSurface,
+                                                                                              Style.opacityMedium)
       }
     }
   }