Added automatically generating banner cards for each md page file that has

---
banner_title: "..."
banner_description: "..."
---

scripts/postbuild.cjs

@@ -0,0 +1,14 @@
+const { generateImagesForProjects } = require('./banner-generator.cjs');
+
+const postbuild = async () => {
+    console.log('Build completed, starting Banner card image generation...');
+    try {
+        await generateImagesForProjects();
+        console.log('Banner card images generated successfully!');
+    } catch (error) {
+        console.error('Error during image generation:', error);
+    }
+};
+
+// Execute the post-build task
+postbuild().then(r => r).catch(e => console.error(e));