feat: reestructuracion para easypanel y variables de entorno

frontend/nginx.conf

@@ -0,0 +1,23 @@
+server {
+    listen 80;
+    server_name localhost;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Caché para recursos estáticos (CSS, JS, imágenes)
+    location ~* \.(?:css|js|jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
+        root /usr/share/nginx/html;
+        expires 1M;
+        access_log off;
+        add_header Cache-Control "public";
+    }
+
+    error_page 500 502 503 504 /50x.html;
+    location = /50x.html {
+        root /usr/share/nginx/html;
+    }
+}