plinth api directory

src/freedombone-utils-web

     nginx_ensite "${local_hostname}"
 
     # Compatibility with FreedomBox android app
-    # The installed apps get published to a json file called "1"
+    # The installed apps get published to a json file called api.json
     # in this directory
-    if [ ! -d "/var/www/${local_hostname}/htdocs/plinth/api" ]; then
-        mkdir -p "/var/www/${local_hostname}/htdocs/plinth/api"
+    if [ ! -d "/var/www/${local_hostname}/htdocs/plinth" ]; then
+        mkdir -p "/var/www/${local_hostname}/htdocs/plinth"
     fi
 
     chown -R www-data:www-data "/var/www/${local_hostname}/htdocs"