kf5 update

* implement resizing
* implement debug
* implement notifications
* update interface
* correct work with helper

sources/plasmoid-kf5/plasmoid/contents/ui/about.qml

@@ -27,6 +27,8 @@ Item {
     width: childrenRect.width
     height: childrenRect.height
 
+    property bool debug: NetctlAdds.isDebugEnabled()
+
     Grid {
         QtControls.TabView {
             QtControls.Tab {
@@ -82,4 +84,8 @@ Item {
             }
         }
     }
+
+    Component.onCompleted: {
+        if (debug) console.log("[about::onCompleted]")
+    }
 }