Reorder nginx config sample

Move the `root` directive more to the top. That way all the
fields that need to be changed are in one place.

Signed-off-by: Christian Tacke <8560110+ChristianTacke@users.noreply.github.com>

admin_manual/installation/nginx-root.conf.sample

@@ -17,6 +17,9 @@ server {
     listen [::]:443 ssl http2;
     server_name cloud.example.com;
 
+    # Path to the root of your installation
+    root /var/www/nextcloud;
+
     # Use Mozilla's guidelines for SSL/TLS settings
     # https://mozilla.github.io/server-side-tls/ssl-config-generator/
     ssl_certificate     /etc/ssl/nginx/cloud.example.com.crt;
@@ -59,9 +62,6 @@ server {
     # Remove X-Powered-By, which is an information leak
     fastcgi_hide_header X-Powered-By;
 
-    # Path to the root of your installation
-    root /var/www/nextcloud;
-
     # Specify how to handle directories -- specifying `/index.php$request_uri`
     # here as the fallback means that Nginx always exhibits the desired behaviour
     # when a client requests a path that corresponds to a directory that exists

admin_manual/installation/nginx-subdir.conf.sample

@@ -19,6 +19,9 @@ server {
     listen [::]:443 ssl http2;
     server_name cloud.example.com;
 
+    # Path to the root of the domain
+    root /var/www;
+
     # Use Mozilla's guidelines for SSL/TLS settings
     # https://mozilla.github.io/server-side-tls/ssl-config-generator/
     ssl_certificate     /etc/ssl/nginx/cloud.example.com.crt;
@@ -32,9 +35,6 @@ server {
     # could take several months.
     #add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
 
-    # Path to the root of the domain
-    root /var/www;
-
     location = /robots.txt {
         allow all;
         log_not_found off;