fix: cannot import if file is over 1MB (#1184)

ui/web/nginx.conf

@@ -36,6 +36,7 @@ server {
 
     # API proxy
     location /v1/ {
+        client_max_body_size 500M;
         proxy_pass $upstream_backend;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;