add remote page loading

src/node_metadata.cpp

@@ -0,0 +1,25 @@
+#include "pch.h"
+#include "log.h"
+#include "node_metadata.h"
+
+NodeMetadata::NodeMetadata() noexcept
+{
+    m_nodeID = const_hash("metadata");
+    m_nodeID_s = "metadata";
+}
+
+Node* NodeMetadata::clone_instantiate() const
+{
+    return new NodeMetadata();
+}
+void NodeMetadata::clone_copy(Node* dest) const
+{
+    Node::clone_copy(dest);
+    NodeMetadata* n = static_cast<NodeMetadata*>(dest);
+    n->m_props = m_props;
+}
+void NodeMetadata::parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr)
+{
+    Node::parse_attributes(ka, attr);
+    m_props[attr->Name()] = attr->Value();
+}