Added Feature Cover Json Data Node in Data Node control

doc/gui/examples/controls/datanode_viewer_json.py

@@ -0,0 +1,22 @@
+import taipy as tp
+import taipy.gui.builder as tgb
+from taipy import Config, Orchestrator, Scope
+from taipy.gui import Gui
+
+json_config_node = Config.configure_json_data_node(
+    id="json_node",
+    default_path="./demo-1248-dn.json",
+    scope=Scope.GLOBAL,
+)
+
+with tgb.Page() as data_node_viewer:
+    tgb.data_node(
+        data_node="{json_data_node}"
+    )
+
+gui = Gui(page=data_node_viewer)
+
+if __name__ == "__main__":
+    Orchestrator().run()
+    json_data_node = tp.create_global_data_node(json_config_node)
+    gui.run(title="Datanode Viewer - json support")