Update

melawy-kde-theme/usr/share/plasma/layout-templates/org.github.Melawy.desktop.MelawyPanel/contents/layout.js

@@ -16,6 +16,17 @@ let allDesktops = desktops();
 //     desktop.writeConfig("SlidePaths", "/usr/share/plasma/wallpapers,/usr/share/wallpapers");
 // }
 
+for (let i = 0; i < allDesktops.length; i++) {
+    let desktop = allDesktops[i];
+
+    // Add the widget to the desktop
+    let widget = desktop.addWidget("luisbocanegra.desktop.wallpaper.effects");
+
+    widget.currentConfigGroup = ["General"];
+    widget.writeConfig("colorizationColor", "#1a7597")
+    widget.writeConfig("hideWidget", true)
+}
+
 /*General*/
 var panel = new Panel;
 panel.offset = 0;