updated directory structure to match actual install

etc/nginx/snippets/server_names.conf

@@ -0,0 +1,6 @@
+#######
+### NGINX configuration -- list of server names
+#######
+
+server_name
+    ;

etc/nginx/snippets/ssl/ssl_certs.conf

@@ -0,0 +1,6 @@
+#######
+### NGINX configuration - location of SSL certificates
+#######
+
+ssl_certificate /path/to/your_ssl_certificate_fullchain;
+ssl_certificate_key /path/to/your_certificate_private_key.key;