chore(og): Reorganise OG images

src/lib/assets/index.ts

···
+// Fallback images for profile and banner
 export { default as profileFallback } from './fallback/profile.svg';
 export { default as bannerFallback } from './fallback/banner.svg';
-export { default as mainOG } from './og/main.png';
-export { default as nowOG } from './og/now.png';
-export { default as siteMetaOG } from './og/site-meta.png';
+
+// Note: OG images are now served from ./static/og/
+// Use the ogImages object from $lib/helper/ogImages for OG image paths

src/lib/assets/og/index.ts

···
-export { default as main } from './main.png';
-export { default as now } from './now.png';
-export { default as siteMeta } from './site-meta.png';

src/lib/helper/ogImages.ts

···
+/**
+ * OG (Open Graph) image paths
+ * 
+ * These images are served from the ./static/og/ directory.
+ * They are accessible at /og/ URLs in the application.
+ * 
+ * To add new OG images:
+ * 1. Place the image in ./static/og/
+ * 2. Add the path here as /og/filename.png
+ */
 export const ogImages: Record<string, string> = {
   main: '/og/main.png',
   siteMeta: '/og/site-meta.png'
-};
+};