feat: update site URLs and enhance image handling

- Changed site URLs in docker-compose and deployment configurations to remove "www" prefix for consistency.
- Improved image handling by introducing warmPostCardImages function for pre-fetching images in posts and tags.
- Enhanced PostCard component with responsive image sizes for better performance.
- Updated layout to include robots meta tag and JSON-LD structured data for improved SEO.
- Added loading state for images in TopBanner component to enhance user experience.

src/hooks.server.ts

@@ -39,7 +39,15 @@ export const handle: Handle = async ({ event, resolve }) => {
     event.locals.translations = {};
   }
 
-  const response = await resolve(event);
+  const response = await resolve(event, {
+    preload: ({ type, path }) => {
+      if (type === 'js' || type === 'css') return true;
+      if (type === 'font') {
+        return /inter-latin-(400|700)-normal\.[a-f0-9]*\.?woff2$/i.test(path);
+      }
+      return false;
+    },
+  });
 
   if (
     event.request.method === 'GET' &&
@@ -49,5 +57,16 @@ export const handle: Handle = async ({ event, resolve }) => {
     response.headers.set('cache-control', PAGE_CACHE_CONTROL);
   }
 
+  if (
+    event.request.method === 'GET' &&
+    !response.headers.has('x-robots-tag') &&
+    (response.headers.get('content-type') ?? '').includes('text/html')
+  ) {
+    response.headers.set(
+      'x-robots-tag',
+      'index, follow, max-image-preview:large, max-snippet:-1',
+    );
+  }
+
   return response;
 };