Fix nginx deduplication: remove nginx/scripts/ entirely, fix README typos and dead references

nginx/SETUP.md

@@ -44,7 +44,9 @@ sudo apt install nginx apache2-utils php8.4-fpm
 ### 2. Create Admin Password
 
 ```bash
-sudo htpasswd -c /etc/nginx/.htpasswd-posterg admin
+just manage-admin-users
+# Then on the server:
+ssh posterg "sudo bash /tmp/manage-admin-users.sh"
 ```
 
 ### 3. Copy Nginx Configuration