chore: add 2nd author example

layouts/PostLayout.js

@@ -47,7 +47,11 @@ export default function PostLayout({ frontMatter, authorDetails, next, prev, chi
               <dd>
                 <ul className="flex justify-center space-x-8 xl:block sm:space-x-12 xl:space-x-0 xl:space-y-8">
                   <li className="flex items-center space-x-2">
-                    <img src={siteMetadata.image} alt="avatar" className="w-10 h-10 rounded-full" />
+                    <img
+                      src={authorDetails.avatar}
+                      alt="avatar"
+                      className="w-10 h-10 rounded-full"
+                    />
                     <dl className="text-sm font-medium leading-5 whitespace-nowrap">
                       <dt className="sr-only">Name</dt>
                       <dd className="text-gray-900 dark:text-gray-100">{authorDetails.name}</dd>