[Userguide] Add missing generator's command (#5019)
[Userguide] Add missing generator's command (#5019)

* Add missing make:validation command

* fix shot title
lonnieezell/CodeIgniter4,lonnieezell/CodeIgniter4,lonnieezell/CodeIgniter4,samsonasik/CodeIgniter4,lonnieezell/CodeIgniter4,kenjis/CodeIgniter4,samsonasik/CodeIgniter4,samsonasik/CodeIgniter4,bcit-ci/CodeIgniter4,bcit-ci/CodeIgniter4,kenjis/CodeIgniter4,ytetsuro/CodeIgniter4,kenjis/CodeIgniter4,kenjis/CodeIgniter4,samsonasik/CodeIgniter4,bcit-ci/CodeIgniter4,kenjis/CodeIgniter4,ytetsuro/CodeIgniter4,ytetsuro/CodeIgniter4,ytetsuro/CodeIgniter4,bcit-ci/CodeIgniter4,ytetsuro/CodeIgniter4,samsonasik/CodeIgniter4,lonnieezell/CodeIgniter4,ytetsuro/CodeIgniter4,bcit-ci/CodeIgniter4,lonnieezell/CodeIgniter4,samsonasik/CodeIgniter4