Enable nginx request logging

- Changed error_log level from warn to info
- Removed access_log off from static files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

nginx.conf

@@ -1,5 +1,5 @@
 worker_processes auto;
-error_log /dev/stderr warn;
+error_log /dev/stderr info;
 pid /tmp/nginx.pid;
 
 events {
@@ -53,7 +53,6 @@ http {
             alias /app/kjvstudy_org/static/;
             expires 1y;
             add_header Cache-Control "public, immutable";
-            access_log off;
         }
 
         # Service worker - special cache headers