fix http 413 on nginx

build/qa/web-default-conf-cm.yaml

@@ -25,6 +25,7 @@ data:
     proxy_cache_valid       301 302 15m;
 
     server {
+        client_max_body_size 100m;
         listen   80 default; ## listen for ipv4; this line is default and implied
         listen   [::]:80 default ipv6only=on; ## listen for ipv6
 
@@ -41,6 +42,7 @@ data:
   subdomain.conf: |
 
     server {
+        client_max_body_size 100m;
         listen   80;
         listen   [::]:80;
         
@@ -168,6 +170,7 @@ data:
   localhost.conf: |
 
     server {
+        client_max_body_size 100m;
         listen   80;
         listen   [::]:80;