[macro] TemplateMacro: move init to constructor

demo/src/demo/Demo.hx

@@ -17,7 +17,8 @@ import haxework.view.group.VGroupView;
     @:view var switcher:FrameSwitcher;
     @:view var tabs:ButtonGroup<String>;
 
-    private function init():Void {
+    public function new():Void {
+        super();
         switcher.change("list");
     }
 

demo/src/demo/form/TestLayoutForm.hx

@@ -10,9 +10,6 @@ import haxework.view.SpriteView;
 
     public function new() {
         super("test_layout");
-    }
-
-    public function init():Void {
         resize();
         content.addEventListener(MouseEvent.CLICK, function(_) {
             resize();

demo/src/demo/popup/FontPopup.hx

@@ -23,7 +23,8 @@ class FontLabelView extends LabelListItem<ThemeFont> {
 
     @:view var fonts:ListView<ThemeFont>;
 
-    private function init():Void {
+    private function new():Void {
+        super();
         var values:Array<ThemeFont> = Font.enumerateFonts(true).map(function(font:Font) {
             return {
                 name: font.fontName,