implement simple maintenance switch
-rw-r--r-- 76 .gitignore
drwxr-xr-x - app
drwxr-xr-x - bin
-rw-r--r-- 605 composer.json
-rw-r--r-- 14500 composer.lock
drwxr-xr-x - config
drwxr-xr-x - deps
drwxr-xr-x - logs
drwxr-xr-x - public