add studio url, csv and json extension (#597)

* add studio url, csv and json extension

Author: alexz707

.docker/nginx.conf

@@ -102,7 +102,7 @@ server {
 
     # Assets
     # Still use a whitelist approach to prevent each and every missing asset to go through the PHP Engine.
-    location ~* ^(?!/admin|/asset/webdav)(.+?)\.((?:css|js)(?:\.map)?|jpe?g|gif|png|svgz?|eps|exe|gz|zip|mp\d|m4a|ogg|ogv|webp|webm|pdf|docx?|xlsx?|pptx?)$ {
+    location ~* ^(?!/admin|/asset/webdav|/studio/api)(.+?)\.((?:css|js)(?:\.map)?|jpe?g|gif|png|svgz?|eps|exe|gz|json|zip|mp\d|m4a|ogg|ogv|webp|webm|pdf|csv|docx?|xlsx?|pptx?)$ {
         try_files /var/assets$uri $uri =404;
         expires 2w;
         access_log off;