put client_max_body_size also in location block

conf.d/opticswiki.conf

@@ -16,12 +16,12 @@ server {
     ssl_certificate_key /etc/nginx/private/opticswiki.psi.ch.key;
 
     location / {
+        client_max_body_size 20M;
         proxy_pass http://opticswiki:80;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
-	# UF add
 	proxy_set_header Cookie $http_cookie;
 	proxy_set_header Authorization $http_authorization;
     }