renamed and optimized homepage role

roles/nginx-homepage/templates/homepage.nginx.conf.j2

@@ -0,0 +1,15 @@
+#default
+server
+{
+  server_name {{domain}};
+  
+  {% include 'roles/letsencrypt/templates/ssl_header.j2' %}
+
+  charset utf-8;
+  
+  location /
+  {
+    root /usr/share/nginx/homepage;
+    index index.html index.htm;
+  }
+}