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.

.gitea/workflows/deploy.yml

@@ -9,9 +9,9 @@
 #   REGISTRY_USER                  Gitea-Username
 #   REGISTRY_TOKEN                 Gitea Access Token (Scope: package)
 #   PUBLIC_CMS_URL                 https://cms.pm86.de
-#   PUBLIC_SITE_URL                https://www.windwiderstand.de
+#   PUBLIC_SITE_URL                https://windwiderstand.de
 #   PUBLIC_SITE_NAME               Windwiderstand
-#   ORIGIN                         https://www.windwiderstand.de
+#   ORIGIN                         https://windwiderstand.de
 #   REVALIDATE_TOKEN               openssl rand -hex 32
 #   PUBLIC_UMAMI_WEBSITE_ID        (optional, sonst leer)
 
@@ -95,7 +95,7 @@ jobs:
 
       - name: Caddy site block + reload
         run: |
-          ssh vserver 'grep -q "^windwiderstand.de" /opt/caddy/extra-config/Caddyfile || printf "\nwindwiderstand.de, www.windwiderstand.de {\n    reverse_proxy windwiderstand:3001\n}\n" >> /opt/caddy/extra-config/Caddyfile'
+          ssh vserver 'grep -q "^windwiderstand.de {" /opt/caddy/extra-config/Caddyfile || printf "\nwindwiderstand.de {\n    reverse_proxy windwiderstand:3001\n}\n\nwww.windwiderstand.de {\n    redir https://windwiderstand.de{uri} permanent\n}\n" >> /opt/caddy/extra-config/Caddyfile'
           ssh vserver "docker exec caddy caddy reload --config /extra-config/Caddyfile"
 
       - name: Cleanup