[Feature Request] support for user editable tab name/file names

[dfear]

I am trying to setup up a multisite installation using nginx, but if i put multiple domain names in the "servers" tab > "domain" form field, the tab name and all file names for config / log files are consequently very long.

I would like support for user editable tab name/file names or sensible default filename for wordpress multisite installs; eg. wordpress.conf or wordpress-multisite.conf.

related issue: https://github.com/digitalocean/nginxconfig.io/issues/119