LibHTML: Start working on a simple HTML library.

I'd like to have rich text, and we might as well use HTML for that. :^)

LibHTML/Node.cpp

@@ -0,0 +1,24 @@
+#include <AK/Retained.h>
+#include <LibHTML/Node.h>
+
+Node::Node(NodeType type)
+    : m_type(type)
+{
+}
+
+Node::~Node()
+{
+}
+
+void Node::retain()
+{
+    ASSERT(m_retain_count);
+    ++m_retain_count;
+}
+
+void Node::release()
+{
+    ASSERT(m_retain_count);
+    if (!--m_retain_count)
+        delete this;
+}