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/Element.cpp

@@ -0,0 +1,12 @@
+#include <LibHTML/Element.h>
+
+Element::Element(const String& tag_name)
+    : ParentNode(NodeType::ELEMENT_NODE)
+    , m_tag_name(tag_name)
+{
+}
+
+Element::~Element()
+{
+}
+