Alter rate limits, because riot can have a lot of stuff going on

src/freedombone-app-riot

@@ -330,6 +330,8 @@ function install_riot {
 
     sed '/Content-Security-Policy/d' $riot_nginx_site
     sed -i 's| DENY;| SAMEORIGIN;|g' $riot_nginx_site
+    sed -i 's|limit_conn conn_limit_per_ip.*|limit_conn conn_limit_per_ip 50;|g' $riot_nginx_site
+    sed -i 's|limit_req zone.*|limit_req zone=req_limit_per_ip burst=20 nodelay;|g' $riot_nginx_site
 
     function_check create_site_certificate
     if [ ! -f /etc/ssl/certs/${RIOT_DOMAIN_NAME}.pem ]; then