docker files updated

app/nginx.conf

@@ -0,0 +1,15 @@
+server {
+    listen 80;
+    server_name localhost;
+
+    # Point to the Vite build output directory
+    root /usr/share/nginx/html/dist;
+    index index.html;
+
+    location / {
+        try_files $uri /index.html;
+    }
+
+    # Redirect 404 errors to index.html (for React Router)
+    error_page 404 /index.html;
+}