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

Services/HooksService.qml

@@ -0,0 +1,63 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell
+import qs.Commons
+import qs.Services
+
+Singleton {
+  id: root
+
+  // Hook connections for automatic script execution
+  Connections {
+    target: Settings.data.colorSchemes
+    function onDarkModeChanged() {
+      executeDarkModeHook(Settings.data.colorSchemes.darkMode)
+    }
+  }
+
+  // Execute wallpaper change hook
+  function executeWallpaperHook(wallpaperPath) {
+    if (!Settings.data.hooks?.enabled) {
+      return
+    }
+
+    const script = Settings.data.hooks?.wallpaperChange
+    if (!script || script === "") {
+      return
+    }
+
+    try {
+      const command = script.replace(/\$1/g, wallpaperPath)
+      Quickshell.execDetached(["sh", "-c", command])
+      Logger.log("HooksService", `Executed wallpaper hook: ${command}`)
+    } catch (e) {
+      Logger.error("HooksService", `Failed to execute wallpaper hook: ${e}`)
+    }
+  }
+
+  // Execute dark mode change hook
+  function executeDarkModeHook(isDarkMode) {
+    if (!Settings.data.hooks?.enabled) {
+      return
+    }
+
+    const script = Settings.data.hooks?.darkModeChange
+    if (!script || script === "") {
+      return
+    }
+
+    try {
+      const command = script.replace(/\$1/g, isDarkMode ? "true" : "false")
+      Quickshell.execDetached(["sh", "-c", command])
+      Logger.log("HooksService", `Executed dark mode hook: ${command}`)
+    } catch (e) {
+      Logger.error("HooksService", `Failed to execute dark mode hook: ${e}`)
+    }
+  }
+
+  // Initialize the service
+  function init() {
+    Logger.log("HooksService", "Service initialized")
+  }
+}

Services/WallpaperService.qml

@@ -256,6 +256,11 @@ Singleton {
     // Update cache directly
     currentWallpapers[screenName] = path
 
+    // Execute wallpaper change hook
+    if (HooksService) {
+      HooksService.executeWallpaperHook(path)
+    }
+
     // Update Settings - still need immutable update for Settings persistence
     // The slice() ensures Settings detects the change and saves properly
     var monitors = Settings.data.wallpaper.monitors || []