Generated domain conf template is invalid - missing server

[Ketec]

2021/03/22 12:13:33 [emerg] 1#1: unexpected "{" in /etc/nginx/conf.d/testdomain.conf:1
nginx: [emerg] unexpected "{" in /etc/nginx/conf.d/testdomain.conf:1

It should include the `server {

}` Which is missing from the template.

[akay25]

I fixed it in #45