Add a function creator that can be used to force-set attributes during

the adjustment phase of Replace.

@@ -9,3 +9,10 @@ export { Children, Custom, Match, Node, Replace }
 import type { NodeType } from 'ultrahtml'
 type SlotHandler = (string, NodeType) => Promise<Any>
 type Replacements = Record<string, string>
+
+export const createForceSetAttributes = (overrideAttributes) => (node) => {
+  if (!overrideAttributes) return node
+  const { attributes } = node
+  if (!attributes) return node
+  return {...node, attributes: {...attributes, ...overrideAttributes}}
+}