feat: add working prototype for via

h/util.go

@@ -0,0 +1,13 @@
+package h
+
+import (
+	g "maragu.dev/gomponents"
+)
+
+func retype(nodes []H) []g.Node {
+	list := make([]g.Node, len(nodes))
+	for i, node := range nodes {
+		list[i] = node.(g.Node)
+	}
+	return list
+}