Simplified DawnGAme a lot

assets/example-prefab.xml

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+<prefab>
+  <asset type="bitmapfont" name="font_bitmap" texture="bmfont.png" rows="16" columns="16" />
+
+  <component ref="canvas" type="UICanvas" />
+
+  <children>
+    <item>
+      <component ref="label" type="scene/components/ui/UILabel::UILabel" text="Hello World" font="font_bitmap" />
+    </item>
+
+    <!-- So here you can either do <item> which is recursive, or a prefab if you desire. -->
+  </children>
+</prefab>

assets/example-scene.xml

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+<scene>
+  <item>
+    <component ref="camera" type="Camera" />
+  </item>
+</scene>