fix: set CORS header for api

deployment/nginx/nginx.conf

@@ -35,6 +35,8 @@ http {
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+            add_header 'Access-Control-Allow-Origin' '*';
         }
 
         location /socket.io/ {