chore(fs.dev): Extract authors from strapi

packages/freesewing.shared/prebuild/remark-intro-plugin.mjs

@@ -27,7 +27,7 @@ const asText = [
 // The actual plugin starts here
 export const remarkIntroPlugin = () => {
 
-  // Only do something if there is frontmatter
+  // Check to see whether the node has frontmatter
   const hasFrontmatter = node => (node.children[0].type === 'yaml')
 
   // Pulls text out of a paragraph
@@ -52,9 +52,14 @@ export const remarkIntroPlugin = () => {
 
   // Tree visitor
   const visitor = (node) => {
+    const intro = extractFirstParagraph(node)
     if (hasFrontmatter(node)) {
-      const intro = extractFirstParagraph(node)
       node.children[0].value += `\nintro: "${intro}"`
+    } else {
+      node.children.unshift({
+        type: 'yaml',
+        value: `intro: "${intro}"`
+      })
     }
   }