Add proper headers for manifest and service worker in Nginx configuration

nginx.conf

@@ -44,6 +44,21 @@ http {
             proxy_read_timeout 5s;
         }
 
+        # Manifest with proper content type
+        location = /manifest.json {
+            root   /usr/share/nginx/html;
+            add_header Content-Type application/manifest+json;
+            add_header Cache-Control "public, max-age=3600";
+        }
+
+        # Service worker with proper headers
+        location = /sw.js {
+            root   /usr/share/nginx/html;
+            add_header Content-Type application/javascript;
+            add_header Cache-Control "no-cache, no-store, must-revalidate";
+            add_header Service-Worker-Allowed "/";
+        }
+
         # Serve static files
         location / {
             root   /usr/share/nginx/html;