fix: remove Post-ERG branding → XAMXAM; drop legacy posterg nginx symlink in deploy script; rename posterg.db → xamxam.db

nginx/SETUP.md

@@ -22,7 +22,6 @@ just deploy-nginx
 ```bash
 ssh xamxam
 sudo bash /tmp/deploy-server.sh
-sudo systemctl reload nginx
 ```
 
 ### 3. Set admin password (first time only)