feat(title): allow no-md title (#854)

Author: avivkeller

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "@node-core/doc-kit",
   "type": "module",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/nodejs/doc-kit.git"

package.json

@@ -193,11 +193,14 @@ export async function processBundles({
   const results = await Promise.all(
     datas.map(async data => {
       const root = resolvePageRoot(data);
+      const title = data.title ?? data.heading.data.name;
 
       // Replace template placeholders with actual content
       const renderedHtml = populateWithEvaluation(template, {
-        title: data.heading.data.name
-          ? `${data.heading.data.name} | ${titleSuffix}`
+        title: title
+          ? titleSuffix
+            ? `${title} | ${titleSuffix}`
+            : title
           : titleSuffix,
         dehydrated: serverBundle.pages.get(`${data.api}.js`) ?? '',
         importMap: clientBundle.importMap?.replaceAll('/', root) ?? '',