feat(shared): Added DocsTitle MDX component

sites/shared/components/mdx/docs-title.mjs

@@ -0,0 +1,19 @@
+import get from 'lodash.get'
+import { useNavigation } from 'site/hooks/use-navigation.mjs'
+
+const getPage = {
+  dev: (slug, nav) => get(nav, slug.split('/')),
+  org: (root, nav) => {
+    // Fixme: make this work for org
+    if (!root) return nav
+    if (root.indexOf('/') === -1) return nav[root]
+    return get(nav, root.split('/'))
+  },
+}
+
+export const DocsTitle = ({ slug, className = '', site = 'org' }) => {
+  const { siteNav } = useNavigation()
+  const page = getPage[site](slug, siteNav)
+
+  return page ? <span className={className}>{page.t}</span> : null
+}