build: 🔧 update config file in accordance to recommendations from the docs

eleventy.config.js

@@ -104,13 +104,13 @@ export default async function (eleventyConfig) {
   eleventyConfig.addFilter('readableDate', (dateObj) =>
     dateObj.toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' })
   );
-
-  return {
-    dir: {
-      input: 'src',
-      output: 'public',
-      layouts: 'layouts',
-      includes: 'includes'
-    }
-  };
 }
+
+export const config = {
+  dir: {
+    input: 'src',
+    output: 'public',
+    layouts: 'layouts',
+    includes: 'includes'
+  }
+};