Add first business article and article layout

node_modules/property-information/lib/xmlns.js

@@ -0,0 +1,9 @@
+import {create} from './util/create.js'
+import {caseInsensitiveTransform} from './util/case-insensitive-transform.js'
+
+export const xmlns = create({
+  attributes: {xmlnsxlink: 'xmlns:xlink'},
+  properties: {xmlnsXLink: null, xmlns: null},
+  space: 'xmlns',
+  transform: caseInsensitiveTransform
+})